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path: root/drivers/gpu/drm/i915/intel_overlay.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c1000
1 files changed, 531 insertions, 469 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 3264bbd..afb96d2 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -170,56 +170,143 @@ struct overlay_registers {
u16 RESERVEDG[0x100 / 2 - N_HORIZ_UV_TAPS * N_PHASES];
};
-/* overlay flip addr flag */
-#define OFC_UPDATE 0x1
-
-#define OVERLAY_NONPHYSICAL(dev) (IS_G33(dev) || IS_I965G(dev))
-#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev) && !IS_GEN6(dev))
-
+struct intel_overlay {
+ struct drm_device *dev;
+ struct intel_crtc *crtc;
+ struct drm_i915_gem_object *vid_bo;
+ struct drm_i915_gem_object *old_vid_bo;
+ int active;
+ int pfit_active;
+ u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
+ u32 color_key;
+ u32 brightness, contrast, saturation;
+ u32 old_xscale, old_yscale;
+ /* register access */
+ u32 flip_addr;
+ struct drm_i915_gem_object *reg_bo;
+ /* flip handling */
+ uint32_t last_flip_req;
+ void (*flip_tail)(struct intel_overlay *);
+};
-static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
+static struct overlay_registers *
+intel_overlay_map_regs(struct intel_overlay *overlay)
{
drm_i915_private_t *dev_priv = overlay->dev->dev_private;
struct overlay_registers *regs;
- /* no recursive mappings */
- BUG_ON(overlay->virt_addr);
+ if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ else
+ regs = io_mapping_map_wc(dev_priv->mm.gtt_mapping,
+ overlay->reg_bo->gtt_offset);
- if (OVERLAY_NONPHYSICAL(overlay->dev)) {
- regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
- overlay->reg_bo->gtt_offset);
+ return regs;
+}
- if (!regs) {
- DRM_ERROR("failed to map overlay regs in GTT\n");
- return NULL;
- }
- } else
- regs = overlay->reg_bo->phys_obj->handle->vaddr;
+static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
+ struct overlay_registers *regs)
+{
+ if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ io_mapping_unmap(regs);
+}
+
+static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
+ struct drm_i915_gem_request *request,
+ bool interruptible,
+ void (*tail)(struct intel_overlay *))
+{
+ struct drm_device *dev = overlay->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int ret;
+
+ BUG_ON(overlay->last_flip_req);
+ overlay->last_flip_req =
+ i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ if (overlay->last_flip_req == 0)
+ return -ENOMEM;
- return overlay->virt_addr = regs;
+ overlay->flip_tail = tail;
+ ret = i915_do_wait_request(dev,
+ overlay->last_flip_req, true,
+ &dev_priv->render_ring);
+ if (ret)
+ return ret;
+
+ overlay->last_flip_req = 0;
+ return 0;
}
-static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
+/* Workaround for i830 bug where pipe a must be enable to change control regs */
+static int
+i830_activate_pipe_a(struct drm_device *dev)
{
- if (OVERLAY_NONPHYSICAL(overlay->dev))
- io_mapping_unmap_atomic(overlay->virt_addr);
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_crtc *crtc;
+ struct drm_crtc_helper_funcs *crtc_funcs;
+ struct drm_display_mode vesa_640x480 = {
+ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
+ 752, 800, 0, 480, 489, 492, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)
+ }, *mode;
+
+ crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[0]);
+ if (crtc->dpms_mode == DRM_MODE_DPMS_ON)
+ return 0;
- overlay->virt_addr = NULL;
+ /* most i8xx have pipe a forced on, so don't trust dpms mode */
+ if (I915_READ(PIPEACONF) & PIPECONF_ENABLE)
+ return 0;
- return;
+ crtc_funcs = crtc->base.helper_private;
+ if (crtc_funcs->dpms == NULL)
+ return 0;
+
+ DRM_DEBUG_DRIVER("Enabling pipe A in order to enable overlay\n");
+
+ mode = drm_mode_duplicate(dev, &vesa_640x480);
+ drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
+ if(!drm_crtc_helper_set_mode(&crtc->base, mode,
+ crtc->base.x, crtc->base.y,
+ crtc->base.fb))
+ return 0;
+
+ crtc_funcs->dpms(&crtc->base, DRM_MODE_DPMS_ON);
+ return 1;
+}
+
+static void
+i830_deactivate_pipe_a(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[0];
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
}
/* overlay needs to be disable in OCMD reg */
static int intel_overlay_on(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
+ struct drm_i915_gem_request *request;
+ int pipe_a_quirk = 0;
int ret;
- drm_i915_private_t *dev_priv = dev->dev_private;
BUG_ON(overlay->active);
-
overlay->active = 1;
- overlay->hw_wedged = NEEDS_WAIT_FOR_FLIP;
+
+ if (IS_I830(dev)) {
+ pipe_a_quirk = i830_activate_pipe_a(dev);
+ if (pipe_a_quirk < 0)
+ return pipe_a_quirk;
+ }
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON);
@@ -228,32 +315,30 @@ static int intel_overlay_on(struct intel_overlay *overlay)
OUT_RING(MI_NOOP);
ADVANCE_LP_RING();
- overlay->last_flip_req =
- i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
-
- ret = i915_do_wait_request(dev,
- overlay->last_flip_req, 1, &dev_priv->render_ring);
- if (ret != 0)
- return ret;
+ ret = intel_overlay_do_wait_request(overlay, request, true, NULL);
+out:
+ if (pipe_a_quirk)
+ i830_deactivate_pipe_a(dev);
- overlay->hw_wedged = 0;
- overlay->last_flip_req = 0;
- return 0;
+ return ret;
}
/* overlay needs to be enabled in OCMD reg */
-static void intel_overlay_continue(struct intel_overlay *overlay,
- bool load_polyphase_filter)
+static int intel_overlay_continue(struct intel_overlay *overlay,
+ bool load_polyphase_filter)
{
struct drm_device *dev = overlay->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_gem_request *request;
u32 flip_addr = overlay->flip_addr;
u32 tmp;
BUG_ON(!overlay->active);
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
+ return -ENOMEM;
+
if (load_polyphase_filter)
flip_addr |= OFC_UPDATE;
@@ -268,220 +353,132 @@ static void intel_overlay_continue(struct intel_overlay *overlay,
ADVANCE_LP_RING();
overlay->last_flip_req =
- i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
+ i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ return 0;
}
-static int intel_overlay_wait_flip(struct intel_overlay *overlay)
+static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- int ret;
- u32 tmp;
-
- if (overlay->last_flip_req != 0) {
- ret = i915_do_wait_request(dev, overlay->last_flip_req,
- 1, &dev_priv->render_ring);
- if (ret == 0) {
- overlay->last_flip_req = 0;
-
- tmp = I915_READ(ISR);
+ struct drm_gem_object *obj = &overlay->old_vid_bo->base;
- if (!(tmp & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT))
- return 0;
- }
- }
+ i915_gem_object_unpin(obj);
+ drm_gem_object_unreference(obj);
- /* synchronous slowpath */
- overlay->hw_wedged = RELEASE_OLD_VID;
+ overlay->old_vid_bo = NULL;
+}
- BEGIN_LP_RING(2);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
+static void intel_overlay_off_tail(struct intel_overlay *overlay)
+{
+ struct drm_gem_object *obj;
- overlay->last_flip_req =
- i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
+ /* never have the overlay hw on without showing a frame */
+ BUG_ON(!overlay->vid_bo);
+ obj = &overlay->vid_bo->base;
- ret = i915_do_wait_request(dev, overlay->last_flip_req,
- 1, &dev_priv->render_ring);
- if (ret != 0)
- return ret;
+ i915_gem_object_unpin(obj);
+ drm_gem_object_unreference(obj);
+ overlay->vid_bo = NULL;
- overlay->hw_wedged = 0;
- overlay->last_flip_req = 0;
- return 0;
+ overlay->crtc->overlay = NULL;
+ overlay->crtc = NULL;
+ overlay->active = 0;
}
/* overlay needs to be disabled in OCMD reg */
-static int intel_overlay_off(struct intel_overlay *overlay)
+static int intel_overlay_off(struct intel_overlay *overlay,
+ bool interruptible)
{
- u32 flip_addr = overlay->flip_addr;
struct drm_device *dev = overlay->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- int ret;
+ u32 flip_addr = overlay->flip_addr;
+ struct drm_i915_gem_request *request;
BUG_ON(!overlay->active);
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
+ return -ENOMEM;
+
/* According to intel docs the overlay hw may hang (when switching
* off) without loading the filter coeffs. It is however unclear whether
* this applies to the disabling of the overlay or to the switching off
* of the hw. Do it in both cases */
flip_addr |= OFC_UPDATE;
+ BEGIN_LP_RING(6);
/* wait for overlay to go idle */
- overlay->hw_wedged = SWITCH_OFF_STAGE_1;
-
- BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
-
- overlay->last_flip_req =
- i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
-
- ret = i915_do_wait_request(dev, overlay->last_flip_req,
- 1, &dev_priv->render_ring);
- if (ret != 0)
- return ret;
-
+ OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
/* turn overlay off */
- overlay->hw_wedged = SWITCH_OFF_STAGE_2;
-
- BEGIN_LP_RING(4);
- OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+ OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
OUT_RING(flip_addr);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- OUT_RING(MI_NOOP);
+ OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
ADVANCE_LP_RING();
- overlay->last_flip_req =
- i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
-
- ret = i915_do_wait_request(dev, overlay->last_flip_req,
- 1, &dev_priv->render_ring);
- if (ret != 0)
- return ret;
-
- overlay->hw_wedged = 0;
- overlay->last_flip_req = 0;
- return ret;
-}
-
-static void intel_overlay_off_tail(struct intel_overlay *overlay)
-{
- struct drm_gem_object *obj;
-
- /* never have the overlay hw on without showing a frame */
- BUG_ON(!overlay->vid_bo);
- obj = &overlay->vid_bo->base;
-
- i915_gem_object_unpin(obj);
- drm_gem_object_unreference(obj);
- overlay->vid_bo = NULL;
-
- overlay->crtc->overlay = NULL;
- overlay->crtc = NULL;
- overlay->active = 0;
+ return intel_overlay_do_wait_request(overlay, request, interruptible,
+ intel_overlay_off_tail);
}
/* recover from an interruption due to a signal
* We have to be careful not to repeat work forever an make forward progess. */
-int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
- int interruptible)
+static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
+ bool interruptible)
{
struct drm_device *dev = overlay->dev;
- struct drm_gem_object *obj;
drm_i915_private_t *dev_priv = dev->dev_private;
- u32 flip_addr;
int ret;
- if (overlay->hw_wedged == HW_WEDGED)
- return -EIO;
-
- if (overlay->last_flip_req == 0) {
- overlay->last_flip_req =
- i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
- }
+ if (overlay->last_flip_req == 0)
+ return 0;
ret = i915_do_wait_request(dev, overlay->last_flip_req,
- interruptible, &dev_priv->render_ring);
- if (ret != 0)
+ interruptible, &dev_priv->render_ring);
+ if (ret)
return ret;
- switch (overlay->hw_wedged) {
- case RELEASE_OLD_VID:
- obj = &overlay->old_vid_bo->base;
- i915_gem_object_unpin(obj);
- drm_gem_object_unreference(obj);
- overlay->old_vid_bo = NULL;
- break;
- case SWITCH_OFF_STAGE_1:
- flip_addr = overlay->flip_addr;
- flip_addr |= OFC_UPDATE;
-
- overlay->hw_wedged = SWITCH_OFF_STAGE_2;
-
- BEGIN_LP_RING(4);
- OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
- OUT_RING(flip_addr);
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
-
- overlay->last_flip_req = i915_add_request(dev, NULL,
- 0, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
-
- ret = i915_do_wait_request(dev, overlay->last_flip_req,
- interruptible, &dev_priv->render_ring);
- if (ret != 0)
- return ret;
-
- case SWITCH_OFF_STAGE_2:
- intel_overlay_off_tail(overlay);
- break;
- default:
- BUG_ON(overlay->hw_wedged != NEEDS_WAIT_FOR_FLIP);
- }
+ if (overlay->flip_tail)
+ overlay->flip_tail(overlay);
- overlay->hw_wedged = 0;
overlay->last_flip_req = 0;
return 0;
}
/* Wait for pending overlay flip and release old frame.
* Needs to be called before the overlay register are changed
- * via intel_overlay_(un)map_regs_atomic */
+ * via intel_overlay_(un)map_regs
+ */
static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
{
+ struct drm_device *dev = overlay->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
- struct drm_gem_object *obj;
- /* only wait if there is actually an old frame to release to
- * guarantee forward progress */
+ /* Only wait if there is actually an old frame to release to
+ * guarantee forward progress.
+ */
if (!overlay->old_vid_bo)
return 0;
- ret = intel_overlay_wait_flip(overlay);
- if (ret != 0)
- return ret;
+ if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) {
+ struct drm_i915_gem_request *request;
- obj = &overlay->old_vid_bo->base;
- i915_gem_object_unpin(obj);
- drm_gem_object_unreference(obj);
- overlay->old_vid_bo = NULL;
+ /* synchronous slowpath */
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
+ return -ENOMEM;
+ BEGIN_LP_RING(2);
+ OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ OUT_RING(MI_NOOP);
+ ADVANCE_LP_RING();
+
+ ret = intel_overlay_do_wait_request(overlay, request, true,
+ intel_overlay_release_old_vid_tail);
+ if (ret)
+ return ret;
+ }
+
+ intel_overlay_release_old_vid_tail(overlay);
return 0;
}
@@ -505,65 +502,65 @@ struct put_image_params {
static int packed_depth_bytes(u32 format)
{
switch (format & I915_OVERLAY_DEPTH_MASK) {
- case I915_OVERLAY_YUV422:
- return 4;
- case I915_OVERLAY_YUV411:
- /* return 6; not implemented */
- default:
- return -EINVAL;
+ case I915_OVERLAY_YUV422:
+ return 4;
+ case I915_OVERLAY_YUV411:
+ /* return 6; not implemented */
+ default:
+ return -EINVAL;
}
}
static int packed_width_bytes(u32 format, short width)
{
switch (format & I915_OVERLAY_DEPTH_MASK) {
- case I915_OVERLAY_YUV422:
- return width << 1;
- default:
- return -EINVAL;
+ case I915_OVERLAY_YUV422:
+ return width << 1;
+ default:
+ return -EINVAL;
}
}
static int uv_hsubsampling(u32 format)
{
switch (format & I915_OVERLAY_DEPTH_MASK) {
- case I915_OVERLAY_YUV422:
- case I915_OVERLAY_YUV420:
- return 2;
- case I915_OVERLAY_YUV411:
- case I915_OVERLAY_YUV410:
- return 4;
- default:
- return -EINVAL;
+ case I915_OVERLAY_YUV422:
+ case I915_OVERLAY_YUV420:
+ return 2;
+ case I915_OVERLAY_YUV411:
+ case I915_OVERLAY_YUV410:
+ return 4;
+ default:
+ return -EINVAL;
}
}
static int uv_vsubsampling(u32 format)
{
switch (format & I915_OVERLAY_DEPTH_MASK) {
- case I915_OVERLAY_YUV420:
- case I915_OVERLAY_YUV410:
- return 2;
- case I915_OVERLAY_YUV422:
- case I915_OVERLAY_YUV411:
- return 1;
- default:
- return -EINVAL;
+ case I915_OVERLAY_YUV420:
+ case I915_OVERLAY_YUV410:
+ return 2;
+ case I915_OVERLAY_YUV422:
+ case I915_OVERLAY_YUV411:
+ return 1;
+ default:
+ return -EINVAL;
}
}
static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width)
{
u32 mask, shift, ret;
- if (IS_I9XX(dev)) {
- mask = 0x3f;
- shift = 6;
- } else {
+ if (IS_GEN2(dev)) {
mask = 0x1f;
shift = 5;
+ } else {
+ mask = 0x3f;
+ shift = 6;
}
ret = ((offset + width + mask) >> shift) - (offset >> shift);
- if (IS_I9XX(dev))
+ if (!IS_GEN2(dev))
ret <<= 1;
ret -=1;
return ret << 2;
@@ -586,7 +583,9 @@ static const u16 y_static_hcoeffs[N_HORIZ_Y_TAPS * N_PHASES] = {
0x3020, 0xb340, 0x1fb8, 0x34a0, 0xb060,
0x3020, 0xb240, 0x1fe0, 0x32e0, 0xb040,
0x3020, 0xb140, 0x1ff8, 0x3160, 0xb020,
- 0xb000, 0x3000, 0x0800, 0x3000, 0xb000};
+ 0xb000, 0x3000, 0x0800, 0x3000, 0xb000
+};
+
static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = {
0x3000, 0x1800, 0x1800, 0xb000, 0x18d0, 0x2e60,
0xb000, 0x1990, 0x2ce0, 0xb020, 0x1a68, 0x2b40,
@@ -596,7 +595,8 @@ static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = {
0xb100, 0x1eb8, 0x3620, 0xb100, 0x1f18, 0x34a0,
0xb100, 0x1f68, 0x3360, 0xb0e0, 0x1fa8, 0x3240,
0xb0c0, 0x1fe0, 0x3140, 0xb060, 0x1ff0, 0x30a0,
- 0x3000, 0x0800, 0x3000};
+ 0x3000, 0x0800, 0x3000
+};
static void update_polyphase_filter(struct overlay_registers *regs)
{
@@ -629,29 +629,31 @@ static bool update_scaling_factors(struct intel_overlay *overlay,
yscale = 1 << FP_SHIFT;
/*if (params->format & I915_OVERLAY_YUV_PLANAR) {*/
- xscale_UV = xscale/uv_hscale;
- yscale_UV = yscale/uv_vscale;
- /* make the Y scale to UV scale ratio an exact multiply */
- xscale = xscale_UV * uv_hscale;
- yscale = yscale_UV * uv_vscale;
+ xscale_UV = xscale/uv_hscale;
+ yscale_UV = yscale/uv_vscale;
+ /* make the Y scale to UV scale ratio an exact multiply */
+ xscale = xscale_UV * uv_hscale;
+ yscale = yscale_UV * uv_vscale;
/*} else {
- xscale_UV = 0;
- yscale_UV = 0;
- }*/
+ xscale_UV = 0;
+ yscale_UV = 0;
+ }*/
if (xscale != overlay->old_xscale || yscale != overlay->old_yscale)
scale_changed = true;
overlay->old_xscale = xscale;
overlay->old_yscale = yscale;
- regs->YRGBSCALE = ((yscale & FRACT_MASK) << 20)
- | ((xscale >> FP_SHIFT) << 16)
- | ((xscale & FRACT_MASK) << 3);
- regs->UVSCALE = ((yscale_UV & FRACT_MASK) << 20)
- | ((xscale_UV >> FP_SHIFT) << 16)
- | ((xscale_UV & FRACT_MASK) << 3);
- regs->UVSCALEV = ((yscale >> FP_SHIFT) << 16)
- | ((yscale_UV >> FP_SHIFT) << 0);
+ regs->YRGBSCALE = (((yscale & FRACT_MASK) << 20) |
+ ((xscale >> FP_SHIFT) << 16) |
+ ((xscale & FRACT_MASK) << 3));
+
+ regs->UVSCALE = (((yscale_UV & FRACT_MASK) << 20) |
+ ((xscale_UV >> FP_SHIFT) << 16) |
+ ((xscale_UV & FRACT_MASK) << 3));
+
+ regs->UVSCALEV = ((((yscale >> FP_SHIFT) << 16) |
+ ((yscale_UV >> FP_SHIFT) << 0)));
if (scale_changed)
update_polyphase_filter(regs);
@@ -663,22 +665,28 @@ static void update_colorkey(struct intel_overlay *overlay,
struct overlay_registers *regs)
{
u32 key = overlay->color_key;
+
switch (overlay->crtc->base.fb->bits_per_pixel) {
- case 8:
- regs->DCLRKV = 0;
- regs->DCLRKM = CLK_RGB8I_MASK | DST_KEY_ENABLE;
- case 16:
- if (overlay->crtc->base.fb->depth == 15) {
- regs->DCLRKV = RGB15_TO_COLORKEY(key);
- regs->DCLRKM = CLK_RGB15_MASK | DST_KEY_ENABLE;
- } else {
- regs->DCLRKV = RGB16_TO_COLORKEY(key);
- regs->DCLRKM = CLK_RGB16_MASK | DST_KEY_ENABLE;
- }
- case 24:
- case 32:
- regs->DCLRKV = key;
- regs->DCLRKM = CLK_RGB24_MASK | DST_KEY_ENABLE;
+ case 8:
+ regs->DCLRKV = 0;
+ regs->DCLRKM = CLK_RGB8I_MASK | DST_KEY_ENABLE;
+ break;
+
+ case 16:
+ if (overlay->crtc->base.fb->depth == 15) {
+ regs->DCLRKV = RGB15_TO_COLORKEY(key);
+ regs->DCLRKM = CLK_RGB15_MASK | DST_KEY_ENABLE;
+ } else {
+ regs->DCLRKV = RGB16_TO_COLORKEY(key);
+ regs->DCLRKM = CLK_RGB16_MASK | DST_KEY_ENABLE;
+ }
+ break;
+
+ case 24:
+ case 32:
+ regs->DCLRKV = key;
+ regs->DCLRKM = CLK_RGB24_MASK | DST_KEY_ENABLE;
+ break;
}
}
@@ -688,48 +696,48 @@ static u32 overlay_cmd_reg(struct put_image_params *params)
if (params->format & I915_OVERLAY_YUV_PLANAR) {
switch (params->format & I915_OVERLAY_DEPTH_MASK) {
- case I915_OVERLAY_YUV422:
- cmd |= OCMD_YUV_422_PLANAR;
- break;
- case I915_OVERLAY_YUV420:
- cmd |= OCMD_YUV_420_PLANAR;
- break;
- case I915_OVERLAY_YUV411:
- case I915_OVERLAY_YUV410:
- cmd |= OCMD_YUV_410_PLANAR;
- break;
+ case I915_OVERLAY_YUV422:
+ cmd |= OCMD_YUV_422_PLANAR;
+ break;
+ case I915_OVERLAY_YUV420:
+ cmd |= OCMD_YUV_420_PLANAR;
+ break;
+ case I915_OVERLAY_YUV411:
+ case I915_OVERLAY_YUV410:
+ cmd |= OCMD_YUV_410_PLANAR;
+ break;
}
} else { /* YUV packed */
switch (params->format & I915_OVERLAY_DEPTH_MASK) {
- case I915_OVERLAY_YUV422:
- cmd |= OCMD_YUV_422_PACKED;
- break;
- case I915_OVERLAY_YUV411:
- cmd |= OCMD_YUV_411_PACKED;
- break;
+ case I915_OVERLAY_YUV422:
+ cmd |= OCMD_YUV_422_PACKED;
+ break;
+ case I915_OVERLAY_YUV411:
+ cmd |= OCMD_YUV_411_PACKED;
+ break;
}
switch (params->format & I915_OVERLAY_SWAP_MASK) {
- case I915_OVERLAY_NO_SWAP:
- break;
- case I915_OVERLAY_UV_SWAP:
- cmd |= OCMD_UV_SWAP;
- break;
- case I915_OVERLAY_Y_SWAP:
- cmd |= OCMD_Y_SWAP;
- break;
- case I915_OVERLAY_Y_AND_UV_SWAP:
- cmd |= OCMD_Y_AND_UV_SWAP;
- break;
+ case I915_OVERLAY_NO_SWAP:
+ break;
+ case I915_OVERLAY_UV_SWAP:
+ cmd |= OCMD_UV_SWAP;
+ break;
+ case I915_OVERLAY_Y_SWAP:
+ cmd |= OCMD_Y_SWAP;
+ break;
+ case I915_OVERLAY_Y_AND_UV_SWAP:
+ cmd |= OCMD_Y_AND_UV_SWAP;
+ break;
}
}
return cmd;
}
-int intel_overlay_do_put_image(struct intel_overlay *overlay,
- struct drm_gem_object *new_bo,
- struct put_image_params *params)
+static int intel_overlay_do_put_image(struct intel_overlay *overlay,
+ struct drm_gem_object *new_bo,
+ struct put_image_params *params)
{
int ret, tmp_width;
struct overlay_registers *regs;
@@ -754,24 +762,24 @@ int intel_overlay_do_put_image(struct intel_overlay *overlay,
goto out_unpin;
if (!overlay->active) {
- regs = intel_overlay_map_regs_atomic(overlay);
+ regs = intel_overlay_map_regs(overlay);
if (!regs) {
ret = -ENOMEM;
goto out_unpin;
}
regs->OCONFIG = OCONF_CC_OUT_8BIT;
- if (IS_I965GM(overlay->dev))
+ if (IS_GEN4(overlay->dev))
regs->OCONFIG |= OCONF_CSC_MODE_BT709;
regs->OCONFIG |= overlay->crtc->pipe == 0 ?
OCONF_PIPE_A : OCONF_PIPE_B;
- intel_overlay_unmap_regs_atomic(overlay);
+ intel_overlay_unmap_regs(overlay, regs);
ret = intel_overlay_on(overlay);
if (ret != 0)
goto out_unpin;
}
- regs = intel_overlay_map_regs_atomic(overlay);
+ regs = intel_overlay_map_regs(overlay);
if (!regs) {
ret = -ENOMEM;
goto out_unpin;
@@ -787,7 +795,7 @@ int intel_overlay_do_put_image(struct intel_overlay *overlay,
regs->SWIDTH = params->src_w;
regs->SWIDTHSW = calc_swidthsw(overlay->dev,
- params->offset_Y, tmp_width);
+ params->offset_Y, tmp_width);
regs->SHEIGHT = params->src_h;
regs->OBUF_0Y = bo_priv->gtt_offset + params-> offset_Y;
regs->OSTRIDE = params->stride_Y;
@@ -798,9 +806,9 @@ int intel_overlay_do_put_image(struct intel_overlay *overlay,
u32 tmp_U, tmp_V;
regs->SWIDTH |= (params->src_w/uv_hscale) << 16;
tmp_U = calc_swidthsw(overlay->dev, params->offset_U,
- params->src_w/uv_hscale);
+ params->src_w/uv_hscale);
tmp_V = calc_swidthsw(overlay->dev, params->offset_V,
- params->src_w/uv_hscale);
+ params->src_w/uv_hscale);
regs->SWIDTHSW |= max_t(u32, tmp_U, tmp_V) << 16;
regs->SHEIGHT |= (params->src_h/uv_vscale) << 16;
regs->OBUF_0U = bo_priv->gtt_offset + params->offset_U;
@@ -814,9 +822,11 @@ int intel_overlay_do_put_image(struct intel_overlay *overlay,
regs->OCMD = overlay_cmd_reg(params);
- intel_overlay_unmap_regs_atomic(overlay);
+ intel_overlay_unmap_regs(overlay, regs);
- intel_overlay_continue(overlay, scale_changed);
+ ret = intel_overlay_continue(overlay, scale_changed);
+ if (ret)
+ goto out_unpin;
overlay->old_vid_bo = overlay->vid_bo;
overlay->vid_bo = to_intel_bo(new_bo);
@@ -828,20 +838,19 @@ out_unpin:
return ret;
}
-int intel_overlay_switch_off(struct intel_overlay *overlay)
+int intel_overlay_switch_off(struct intel_overlay *overlay,
+ bool interruptible)
{
- int ret;
struct overlay_registers *regs;
struct drm_device *dev = overlay->dev;
+ int ret;
BUG_ON(!mutex_is_locked(&dev->struct_mutex));
BUG_ON(!mutex_is_locked(&dev->mode_config.mutex));
- if (overlay->hw_wedged) {
- ret = intel_overlay_recover_from_interrupt(overlay, 1);
- if (ret != 0)
- return ret;
- }
+ ret = intel_overlay_recover_from_interrupt(overlay, interruptible);
+ if (ret != 0)
+ return ret;
if (!overlay->active)
return 0;
@@ -850,33 +859,29 @@ int intel_overlay_switch_off(struct intel_overlay *overlay)
if (ret != 0)
return ret;
- regs = intel_overlay_map_regs_atomic(overlay);
+ regs = intel_overlay_map_regs(overlay);
regs->OCMD = 0;
- intel_overlay_unmap_regs_atomic(overlay);
+ intel_overlay_unmap_regs(overlay, regs);
- ret = intel_overlay_off(overlay);
+ ret = intel_overlay_off(overlay, interruptible);
if (ret != 0)
return ret;
intel_overlay_off_tail(overlay);
-
return 0;
}
static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
struct intel_crtc *crtc)
{
- drm_i915_private_t *dev_priv = overlay->dev->dev_private;
- u32 pipeconf;
- int pipeconf_reg = (crtc->pipe == 0) ? PIPEACONF : PIPEBCONF;
+ drm_i915_private_t *dev_priv = overlay->dev->dev_private;
- if (!crtc->base.enabled || crtc->dpms_mode != DRM_MODE_DPMS_ON)
+ if (!crtc->active)
return -EINVAL;
- pipeconf = I915_READ(pipeconf_reg);
-
/* can't use the overlay with double wide pipe */
- if (!IS_I965G(overlay->dev) && pipeconf & PIPEACONF_DOUBLE_WIDE)
+ if (INTEL_INFO(overlay->dev)->gen < 4 &&
+ (I915_READ(PIPECONF(crtc->pipe)) & (PIPECONF_DOUBLE_WIDE | PIPECONF_ENABLE)) != PIPECONF_ENABLE)
return -EINVAL;
return 0;
@@ -885,20 +890,22 @@ static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- u32 ratio;
+ drm_i915_private_t *dev_priv = dev->dev_private;
u32 pfit_control = I915_READ(PFIT_CONTROL);
+ u32 ratio;
/* XXX: This is not the same logic as in the xorg driver, but more in
- * line with the intel documentation for the i965 */
- if (!IS_I965G(dev) && (pfit_control & VERT_AUTO_SCALE)) {
- ratio = I915_READ(PFIT_AUTO_RATIOS) >> PFIT_VERT_SCALE_SHIFT;
- } else { /* on i965 use the PGM reg to read out the autoscaler values */
- ratio = I915_READ(PFIT_PGM_RATIOS);
- if (IS_I965G(dev))
- ratio >>= PFIT_VERT_SCALE_SHIFT_965;
+ * line with the intel documentation for the i965
+ */
+ if (INTEL_INFO(dev)->gen >= 4) {
+ /* on i965 use the PGM reg to read out the autoscaler values */
+ ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965;
+ } else {
+ if (pfit_control & VERT_AUTO_SCALE)
+ ratio = I915_READ(PFIT_AUTO_RATIOS);
else
- ratio >>= PFIT_VERT_SCALE_SHIFT;
+ ratio = I915_READ(PFIT_PGM_RATIOS);
+ ratio >>= PFIT_VERT_SCALE_SHIFT;
}
overlay->pfit_vscale_ratio = ratio;
@@ -909,12 +916,10 @@ static int check_overlay_dst(struct intel_overlay *overlay,
{
struct drm_display_mode *mode = &overlay->crtc->base.mode;
- if ((rec->dst_x < mode->crtc_hdisplay)
- && (rec->dst_x + rec->dst_width
- <= mode->crtc_hdisplay)
- && (rec->dst_y < mode->crtc_vdisplay)
- && (rec->dst_y + rec->dst_height
- <= mode->crtc_vdisplay))
+ if (rec->dst_x < mode->crtc_hdisplay &&
+ rec->dst_x + rec->dst_width <= mode->crtc_hdisplay &&
+ rec->dst_y < mode->crtc_vdisplay &&
+ rec->dst_y + rec->dst_height <= mode->crtc_vdisplay)
return 0;
else
return -EINVAL;
@@ -939,53 +944,57 @@ static int check_overlay_src(struct drm_device *dev,
struct drm_intel_overlay_put_image *rec,
struct drm_gem_object *new_bo)
{
- u32 stride_mask;
- int depth;
int uv_hscale = uv_hsubsampling(rec->flags);
int uv_vscale = uv_vsubsampling(rec->flags);
- size_t tmp;
+ u32 stride_mask, depth, tmp;
/* check src dimensions */
if (IS_845G(dev) || IS_I830(dev)) {
- if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY
- || rec->src_width > IMAGE_MAX_WIDTH_LEGACY)
+ if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY ||
+ rec->src_width > IMAGE_MAX_WIDTH_LEGACY)
return -EINVAL;
} else {
- if (rec->src_height > IMAGE_MAX_HEIGHT
- || rec->src_width > IMAGE_MAX_WIDTH)
+ if (rec->src_height > IMAGE_MAX_HEIGHT ||
+ rec->src_width > IMAGE_MAX_WIDTH)
return -EINVAL;
}
+
/* better safe than sorry, use 4 as the maximal subsampling ratio */
- if (rec->src_height < N_VERT_Y_TAPS*4
- || rec->src_width < N_HORIZ_Y_TAPS*4)
+ if (rec->src_height < N_VERT_Y_TAPS*4 ||
+ rec->src_width < N_HORIZ_Y_TAPS*4)
return -EINVAL;
/* check alignment constraints */
switch (rec->flags & I915_OVERLAY_TYPE_MASK) {
- case I915_OVERLAY_RGB:
- /* not implemented */
+ case I915_OVERLAY_RGB:
+ /* not implemented */
+ return -EINVAL;
+
+ case I915_OVERLAY_YUV_PACKED:
+ if (uv_vscale != 1)
return -EINVAL;
- case I915_OVERLAY_YUV_PACKED:
- depth = packed_depth_bytes(rec->flags);
- if (uv_vscale != 1)
- return -EINVAL;
- if (depth < 0)
- return depth;
- /* ignore UV planes */
- rec->stride_UV = 0;
- rec->offset_U = 0;
- rec->offset_V = 0;
- /* check pixel alignment */
- if (rec->offset_Y % depth)
- return -EINVAL;
- break;
- case I915_OVERLAY_YUV_PLANAR:
- if (uv_vscale < 0 || uv_hscale < 0)
- return -EINVAL;
- /* no offset restrictions for planar formats */
- break;
- default:
+
+ depth = packed_depth_bytes(rec->flags);
+ if (depth < 0)
+ return depth;
+
+ /* ignore UV planes */
+ rec->stride_UV = 0;
+ rec->offset_U = 0;
+ rec->offset_V = 0;
+ /* check pixel alignment */
+ if (rec->offset_Y % depth)
+ return -EINVAL;
+ break;
+
+ case I915_OVERLAY_YUV_PLANAR:
+ if (uv_vscale < 0 || uv_hscale < 0)
return -EINVAL;
+ /* no offset restrictions for planar formats */
+ break;
+
+ default:
+ return -EINVAL;
}
if (rec->src_width % uv_hscale)
@@ -999,47 +1008,74 @@ static int check_overlay_src(struct drm_device *dev,
if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask)
return -EINVAL;
- if (IS_I965G(dev) && rec->stride_Y < 512)
+ if (IS_GEN4(dev) && rec->stride_Y < 512)
return -EINVAL;
tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ?
- 4 : 8;
- if (rec->stride_Y > tmp*1024 || rec->stride_UV > 2*1024)
+ 4096 : 8192;
+ if (rec->stride_Y > tmp || rec->stride_UV > 2*1024)
return -EINVAL;
/* check buffer dimensions */
switch (rec->flags & I915_OVERLAY_TYPE_MASK) {
- case I915_OVERLAY_RGB:
- case I915_OVERLAY_YUV_PACKED:
- /* always 4 Y values per depth pixels */
- if (packed_width_bytes(rec->flags, rec->src_width)
- > rec->stride_Y)
- return -EINVAL;
-
- tmp = rec->stride_Y*rec->src_height;
- if (rec->offset_Y + tmp > new_bo->size)
- return -EINVAL;
- break;
- case I915_OVERLAY_YUV_PLANAR:
- if (rec->src_width > rec->stride_Y)
- return -EINVAL;
- if (rec->src_width/uv_hscale > rec->stride_UV)
- return -EINVAL;
-
- tmp = rec->stride_Y*rec->src_height;
- if (rec->offset_Y + tmp > new_bo->size)
- return -EINVAL;
- tmp = rec->stride_UV*rec->src_height;
- tmp /= uv_vscale;
- if (rec->offset_U + tmp > new_bo->size
- || rec->offset_V + tmp > new_bo->size)
- return -EINVAL;
- break;
+ case I915_OVERLAY_RGB:
+ case I915_OVERLAY_YUV_PACKED:
+ /* always 4 Y values per depth pixels */
+ if (packed_width_bytes(rec->flags, rec->src_width) > rec->stride_Y)
+ return -EINVAL;
+
+ tmp = rec->stride_Y*rec->src_height;
+ if (rec->offset_Y + tmp > new_bo->size)
+ return -EINVAL;
+ break;
+
+ case I915_OVERLAY_YUV_PLANAR:
+ if (rec->src_width > rec->stride_Y)
+ return -EINVAL;
+ if (rec->src_width/uv_hscale > rec->stride_UV)
+ return -EINVAL;
+
+ tmp = rec->stride_Y * rec->src_height;
+ if (rec->offset_Y + tmp > new_bo->size)
+ return -EINVAL;
+
+ tmp = rec->stride_UV * (rec->src_height / uv_vscale);
+ if (rec->offset_U + tmp > new_bo->size ||
+ rec->offset_V + tmp > new_bo->size)
+ return -EINVAL;
+ break;
}
return 0;
}
+/**
+ * Return the pipe currently connected to the panel fitter,
+ * or -1 if the panel fitter is not present or not in use
+ */
+static int intel_panel_fitter_pipe(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pfit_control;
+
+ /* i830 doesn't have a panel fitter */
+ if (IS_I830(dev))
+ return -1;
+
+ pfit_control = I915_READ(PFIT_CONTROL);
+
+ /* See if the panel fitter is in use */
+ if ((pfit_control & PFIT_ENABLE) == 0)
+ return -1;
+
+ /* 965 can place panel fitter on either pipe */
+ if (IS_GEN4(dev))
+ return (pfit_control >> 29) & 0x3;
+
+ /* older chips can only use pipe 1 */
+ return 1;
+}
+
int intel_overlay_put_image(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
@@ -1067,7 +1103,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
mutex_lock(&dev->mode_config.mutex);
mutex_lock(&dev->struct_mutex);
- ret = intel_overlay_switch_off(overlay);
+ ret = intel_overlay_switch_off(overlay, true);
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->mode_config.mutex);
@@ -1080,7 +1116,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
return -ENOMEM;
drmmode_obj = drm_mode_object_find(dev, put_image_rec->crtc_id,
- DRM_MODE_OBJECT_CRTC);
+ DRM_MODE_OBJECT_CRTC);
if (!drmmode_obj) {
ret = -ENOENT;
goto out_free;
@@ -1088,7 +1124,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
crtc = to_intel_crtc(obj_to_crtc(drmmode_obj));
new_bo = drm_gem_object_lookup(dev, file_priv,
- put_image_rec->bo_handle);
+ put_image_rec->bo_handle);
if (!new_bo) {
ret = -ENOENT;
goto out_free;
@@ -1097,15 +1133,13 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
mutex_lock(&dev->mode_config.mutex);
mutex_lock(&dev->struct_mutex);
- if (overlay->hw_wedged) {
- ret = intel_overlay_recover_from_interrupt(overlay, 1);
- if (ret != 0)
- goto out_unlock;
- }
+ ret = intel_overlay_recover_from_interrupt(overlay, true);
+ if (ret != 0)
+ goto out_unlock;
if (overlay->crtc != crtc) {
struct drm_display_mode *mode = &crtc->base.mode;
- ret = intel_overlay_switch_off(overlay);
+ ret = intel_overlay_switch_off(overlay, true);
if (ret != 0)
goto out_unlock;
@@ -1116,9 +1150,9 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
overlay->crtc = crtc;
crtc->overlay = overlay;
- if (intel_panel_fitter_pipe(dev) == crtc->pipe
- /* and line to wide, i.e. one-line-mode */
- && mode->hdisplay > 1024) {
+ /* line too wide, i.e. one-line-mode */
+ if (mode->hdisplay > 1024 &&
+ intel_panel_fitter_pipe(dev) == crtc->pipe) {
overlay->pfit_active = 1;
update_pfit_vscale_ratio(overlay);
} else
@@ -1131,10 +1165,10 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
if (overlay->pfit_active) {
params->dst_y = ((((u32)put_image_rec->dst_y) << 12) /
- overlay->pfit_vscale_ratio);
+ overlay->pfit_vscale_ratio);
/* shifting right rounds downwards, so add 1 */
params->dst_h = ((((u32)put_image_rec->dst_height) << 12) /
- overlay->pfit_vscale_ratio) + 1;
+ overlay->pfit_vscale_ratio) + 1;
} else {
params->dst_y = put_image_rec->dst_y;
params->dst_h = put_image_rec->dst_height;
@@ -1146,8 +1180,8 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
params->src_h = put_image_rec->src_height;
params->src_scan_w = put_image_rec->src_scan_width;
params->src_scan_h = put_image_rec->src_scan_height;
- if (params->src_scan_h > params->src_h
- || params->src_scan_w > params->src_w) {
+ if (params->src_scan_h > params->src_h ||
+ params->src_scan_w > params->src_w) {
ret = -EINVAL;
goto out_unlock;
}
@@ -1203,7 +1237,7 @@ static bool check_gamma_bounds(u32 gamma1, u32 gamma2)
return false;
for (i = 0; i < 3; i++) {
- if (((gamma1 >> i * 8) & 0xff) >= ((gamma2 >> i*8) & 0xff))
+ if (((gamma1 >> i*8) & 0xff) >= ((gamma2 >> i*8) & 0xff))
return false;
}
@@ -1224,16 +1258,18 @@ static bool check_gamma5_errata(u32 gamma5)
static int check_gamma(struct drm_intel_overlay_attrs *attrs)
{
- if (!check_gamma_bounds(0, attrs->gamma0)
- || !check_gamma_bounds(attrs->gamma0, attrs->gamma1)
- || !check_gamma_bounds(attrs->gamma1, attrs->gamma2)
- || !check_gamma_bounds(attrs->gamma2, attrs->gamma3)
- || !check_gamma_bounds(attrs->gamma3, attrs->gamma4)
- || !check_gamma_bounds(attrs->gamma4, attrs->gamma5)
- || !check_gamma_bounds(attrs->gamma5, 0x00ffffff))
+ if (!check_gamma_bounds(0, attrs->gamma0) ||
+ !check_gamma_bounds(attrs->gamma0, attrs->gamma1) ||
+ !check_gamma_bounds(attrs->gamma1, attrs->gamma2) ||
+ !check_gamma_bounds(attrs->gamma2, attrs->gamma3) ||
+ !check_gamma_bounds(attrs->gamma3, attrs->gamma4) ||
+ !check_gamma_bounds(attrs->gamma4, attrs->gamma5) ||
+ !check_gamma_bounds(attrs->gamma5, 0x00ffffff))
return -EINVAL;
+
if (!check_gamma5_errata(attrs->gamma5))
return -EINVAL;
+
return 0;
}
@@ -1260,13 +1296,14 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
mutex_lock(&dev->mode_config.mutex);
mutex_lock(&dev->struct_mutex);
+ ret = -EINVAL;
if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) {
- attrs->color_key = overlay->color_key;
+ attrs->color_key = overlay->color_key;
attrs->brightness = overlay->brightness;
- attrs->contrast = overlay->contrast;
+ attrs->contrast = overlay->contrast;
attrs->saturation = overlay->saturation;
- if (IS_I9XX(dev)) {
+ if (!IS_GEN2(dev)) {
attrs->gamma0 = I915_READ(OGAMC0);
attrs->gamma1 = I915_READ(OGAMC1);
attrs->gamma2 = I915_READ(OGAMC2);
@@ -1274,29 +1311,20 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
attrs->gamma4 = I915_READ(OGAMC4);
attrs->gamma5 = I915_READ(OGAMC5);
}
- ret = 0;
} else {
- overlay->color_key = attrs->color_key;
- if (attrs->brightness >= -128 && attrs->brightness <= 127) {
- overlay->brightness = attrs->brightness;
- } else {
- ret = -EINVAL;
+ if (attrs->brightness < -128 || attrs->brightness > 127)
goto out_unlock;
- }
- if (attrs->contrast <= 255) {
- overlay->contrast = attrs->contrast;
- } else {
- ret = -EINVAL;
+ if (attrs->contrast > 255)
goto out_unlock;
- }
- if (attrs->saturation <= 1023) {
- overlay->saturation = attrs->saturation;
- } else {
- ret = -EINVAL;
+ if (attrs->saturation > 1023)
goto out_unlock;
- }
- regs = intel_overlay_map_regs_atomic(overlay);
+ overlay->color_key = attrs->color_key;
+ overlay->brightness = attrs->brightness;
+ overlay->contrast = attrs->contrast;
+ overlay->saturation = attrs->saturation;
+
+ regs = intel_overlay_map_regs(overlay);
if (!regs) {
ret = -ENOMEM;
goto out_unlock;
@@ -1304,13 +1332,11 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
update_reg_attrs(overlay, regs);
- intel_overlay_unmap_regs_atomic(overlay);
+ intel_overlay_unmap_regs(overlay, regs);
if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) {
- if (!IS_I9XX(dev)) {
- ret = -EINVAL;
+ if (IS_GEN2(dev))
goto out_unlock;
- }
if (overlay->active) {
ret = -EBUSY;
@@ -1318,7 +1344,7 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
}
ret = check_gamma(attrs);
- if (ret != 0)
+ if (ret)
goto out_unlock;
I915_WRITE(OGAMC0, attrs->gamma0);
@@ -1328,9 +1354,9 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
I915_WRITE(OGAMC4, attrs->gamma4);
I915_WRITE(OGAMC5, attrs->gamma5);
}
- ret = 0;
}
+ ret = 0;
out_unlock:
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->mode_config.mutex);
@@ -1346,7 +1372,7 @@ void intel_setup_overlay(struct drm_device *dev)
struct overlay_registers *regs;
int ret;
- if (!OVERLAY_EXISTS(dev))
+ if (!HAS_OVERLAY(dev))
return;
overlay = kzalloc(sizeof(struct intel_overlay), GFP_KERNEL);
@@ -1359,22 +1385,28 @@ void intel_setup_overlay(struct drm_device *dev)
goto out_free;
overlay->reg_bo = to_intel_bo(reg_bo);
- if (OVERLAY_NONPHYSICAL(dev)) {
- ret = i915_gem_object_pin(reg_bo, PAGE_SIZE);
- if (ret) {
- DRM_ERROR("failed to pin overlay register bo\n");
- goto out_free_bo;
- }
- overlay->flip_addr = overlay->reg_bo->gtt_offset;
- } else {
+ if (OVERLAY_NEEDS_PHYSICAL(dev)) {
ret = i915_gem_attach_phys_object(dev, reg_bo,
I915_GEM_PHYS_OVERLAY_REGS,
- 0);
+ PAGE_SIZE);
if (ret) {
DRM_ERROR("failed to attach phys overlay regs\n");
goto out_free_bo;
}
overlay->flip_addr = overlay->reg_bo->phys_obj->handle->busaddr;
+ } else {
+ ret = i915_gem_object_pin(reg_bo, PAGE_SIZE);
+ if (ret) {
+ DRM_ERROR("failed to pin overlay register bo\n");
+ goto out_free_bo;
+ }
+ overlay->flip_addr = overlay->reg_bo->gtt_offset;
+
+ ret = i915_gem_object_set_to_gtt_domain(reg_bo, true);
+ if (ret) {
+ DRM_ERROR("failed to move overlay register bo into the GTT\n");
+ goto out_unpin_bo;
+ }
}
/* init all values */
@@ -1383,21 +1415,22 @@ void intel_setup_overlay(struct drm_device *dev)
overlay->contrast = 75;
overlay->saturation = 146;
- regs = intel_overlay_map_regs_atomic(overlay);
+ regs = intel_overlay_map_regs(overlay);
if (!regs)
goto out_free_bo;
memset(regs, 0, sizeof(struct overlay_registers));
update_polyphase_filter(regs);
-
update_reg_attrs(overlay, regs);
- intel_overlay_unmap_regs_atomic(overlay);
+ intel_overlay_unmap_regs(overlay, regs);
dev_priv->overlay = overlay;
DRM_INFO("initialized overlay support\n");
return;
+out_unpin_bo:
+ i915_gem_object_unpin(reg_bo);
out_free_bo:
drm_gem_object_unreference(reg_bo);
out_free:
@@ -1407,18 +1440,23 @@ out_free:
void intel_cleanup_overlay(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_private_t *dev_priv = dev->dev_private;
- if (dev_priv->overlay) {
- /* The bo's should be free'd by the generic code already.
- * Furthermore modesetting teardown happens beforehand so the
- * hardware should be off already */
- BUG_ON(dev_priv->overlay->active);
+ if (!dev_priv->overlay)
+ return;
- kfree(dev_priv->overlay);
- }
+ /* The bo's should be free'd by the generic code already.
+ * Furthermore modesetting teardown happens beforehand so the
+ * hardware should be off already */
+ BUG_ON(dev_priv->overlay->active);
+
+ drm_gem_object_unreference_unlocked(&dev_priv->overlay->reg_bo->base);
+ kfree(dev_priv->overlay);
}
+#ifdef CONFIG_DEBUG_FS
+#include <linux/seq_file.h>
+
struct intel_overlay_error_state {
struct overlay_registers regs;
unsigned long base;
@@ -1426,6 +1464,29 @@ struct intel_overlay_error_state {
u32 isr;
};
+static struct overlay_registers *
+intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
+{
+ drm_i915_private_t *dev_priv = overlay->dev->dev_private;
+ struct overlay_registers *regs;
+
+ if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ else
+ regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
+ overlay->reg_bo->gtt_offset);
+
+ return regs;
+}
+
+static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
+ struct overlay_registers *regs)
+{
+ if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ io_mapping_unmap_atomic(regs);
+}
+
+
struct intel_overlay_error_state *
intel_overlay_capture_error_state(struct drm_device *dev)
{
@@ -1443,17 +1504,17 @@ intel_overlay_capture_error_state(struct drm_device *dev)
error->dovsta = I915_READ(DOVSTA);
error->isr = I915_READ(ISR);
- if (OVERLAY_NONPHYSICAL(overlay->dev))
- error->base = (long) overlay->reg_bo->gtt_offset;
- else
+ if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
error->base = (long) overlay->reg_bo->phys_obj->handle->vaddr;
+ else
+ error->base = (long) overlay->reg_bo->gtt_offset;
regs = intel_overlay_map_regs_atomic(overlay);
if (!regs)
goto err;
memcpy_fromio(&error->regs, regs, sizeof(struct overlay_registers));
- intel_overlay_unmap_regs_atomic(overlay);
+ intel_overlay_unmap_regs_atomic(overlay, regs);
return error;
@@ -1514,3 +1575,4 @@ intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_s
P(UVSCALEV);
#undef P
}
+#endif