gallium/radeon: use VM for VCE

v2: (leo) add checking for driver backend
v3: (leo) change variable name from use_amdgpu to use_vm
v4: rebase by Marek

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 44 insertions, 20 deletions

diff --git a/src/gallium/drivers/radeon/radeon_vce.c b/src/gallium/drivers/radeon/radeon_vce.c
index 4557ce5..c7b8952 100644
--- a/src/gallium/drivers/radeon/radeon_vce.c
+++ b/src/gallium/drivers/radeon/radeon_vce.c
@@ -396,6 +396,8 @@ struct pipe_video_codec *rvce_create_encoder(struct pipe_context *context,
 	if (!enc)
 		return NULL;
 
+	if (rscreen->info.drm_major == 3)
+		enc->use_vm = true;
 	if ((rscreen->info.drm_major > 2) || (rscreen->info.drm_minor >= 42))
 		enc->use_vui = true;
 
@@ -485,3 +487,25 @@ bool rvce_is_fw_version_supported(struct r600_common_screen *rscreen)
 		rscreen->info.vce_fw_version == FW_50_0_1 ||
 		rscreen->info.vce_fw_version == FW_50_1_2;
 }
+
+/**
+ * Add the buffer as relocation to the current command submission
+ */
+void rvce_add_buffer(struct rvce_encoder *enc, struct radeon_winsys_cs_handle *buf,
+                     enum radeon_bo_usage usage, enum radeon_bo_domain domain,
+                     uint32_t offset)
+{
+	int reloc_idx;
+
+	reloc_idx = enc->ws->cs_add_reloc(enc->cs, buf, usage, domain, RADEON_PRIO_MIN);
+	if (enc->use_vm) {
+		uint64_t addr;
+		addr = enc->ws->buffer_get_virtual_address(buf);
+		addr = addr + offset;
+		RVCE_CS(addr >> 32);
+		RVCE_CS(addr);
+	} else {
+		RVCE_CS(reloc_idx * 4);
+		RVCE_CS(offset);
+	}
+}
diff --git a/src/gallium/drivers/radeon/radeon_vce.h b/src/gallium/drivers/radeon/radeon_vce.h
index 8319ef4..66c5478 100644
--- a/src/gallium/drivers/radeon/radeon_vce.h
+++ b/src/gallium/drivers/radeon/radeon_vce.h
@@ -36,13 +36,11 @@
 
 #include "util/list.h"
 
-#define RVCE_RELOC(buf, usage, domain) (enc->ws->cs_add_reloc(enc->cs, (buf), (usage), domain, RADEON_PRIO_MIN))
-
 #define RVCE_CS(value) (enc->cs->buf[enc->cs->cdw++] = (value))
 #define RVCE_BEGIN(cmd) { uint32_t *begin = &enc->cs->buf[enc->cs->cdw++]; RVCE_CS(cmd)
-#define RVCE_READ(buf, domain) RVCE_CS(RVCE_RELOC(buf, RADEON_USAGE_READ, domain) * 4)
-#define RVCE_WRITE(buf, domain) RVCE_CS(RVCE_RELOC(buf, RADEON_USAGE_WRITE, domain) * 4)
-#define RVCE_READWRITE(buf, domain) RVCE_CS(RVCE_RELOC(buf, RADEON_USAGE_READWRITE, domain) * 4)
+#define RVCE_READ(buf, domain, off) rvce_add_buffer(enc, (buf), RADEON_USAGE_READ, (domain), (off))
+#define RVCE_WRITE(buf, domain, off) rvce_add_buffer(enc, (buf), RADEON_USAGE_WRITE, (domain), (off))
+#define RVCE_READWRITE(buf, domain, off) rvce_add_buffer(enc, (buf), RADEON_USAGE_READWRITE, (domain), (off))
 #define RVCE_END() *begin = (&enc->cs->buf[enc->cs->cdw] - begin) * 4; }
 
 struct r600_common_screen;
@@ -101,7 +99,8 @@ struct rvce_encoder {
 	struct rvid_buffer		*fb;
 	struct rvid_buffer		cpb;
 	struct pipe_h264_enc_picture_desc pic;
-	bool use_vui;
+	bool				use_vm;
+	bool				use_vui;
 };
 
 /* CPB handling functions */
@@ -118,6 +117,10 @@ struct pipe_video_codec *rvce_create_encoder(struct pipe_context *context,
 
 bool rvce_is_fw_version_supported(struct r600_common_screen *rscreen);
 
+void rvce_add_buffer(struct rvce_encoder *enc, struct radeon_winsys_cs_handle *buf,
+		     enum radeon_bo_usage usage, enum radeon_bo_domain domain,
+		     uint32_t offset);
+
 /* init vce fw 40.2.2 specific callbacks */
 void radeon_vce_40_2_2_init(struct rvce_encoder *enc);
 
diff --git a/src/gallium/drivers/radeon/radeon_vce_40_2_2.c b/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
index 51b17b5..71b5e89 100644
--- a/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
+++ b/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
@@ -68,8 +68,7 @@ static void task_info(struct rvce_encoder *enc, uint32_t taskOperation)
 static void feedback(struct rvce_encoder *enc)
 {
 	RVCE_BEGIN(0x05000005); // feedback buffer
-	RVCE_WRITE(enc->fb->res->cs_buf, enc->fb->res->domains); // feedbackRingAddressHi
-	RVCE_CS(0x00000000); // feedbackRingAddressLo
+	RVCE_WRITE(enc->fb->res->cs_buf, enc->fb->res->domains, 0x0); // feedbackRingAddressHi/Lo
 	RVCE_CS(0x00000001); // feedbackRingSize
 	RVCE_END();
 }
@@ -280,13 +279,11 @@ static void encode(struct rvce_encoder *enc)
 	task_info(enc, 0x00000003);
 
 	RVCE_BEGIN(0x05000001); // context buffer
-	RVCE_READWRITE(enc->cpb.res->cs_buf, enc->cpb.res->domains); // encodeContextAddressHi
-	RVCE_CS(0x00000000); // encodeContextAddressLo
+	RVCE_READWRITE(enc->cpb.res->cs_buf, enc->cpb.res->domains, 0x0); // encodeContextAddressHi/Lo
 	RVCE_END();
 
 	RVCE_BEGIN(0x05000004); // video bitstream buffer
-	RVCE_WRITE(enc->bs_handle, RADEON_DOMAIN_GTT); // videoBitstreamRingAddressHi
-	RVCE_CS(0x00000000); // videoBitstreamRingAddressLo
+	RVCE_WRITE(enc->bs_handle, RADEON_DOMAIN_GTT, 0x0); // videoBitstreamRingAddressHi/Lo
 	RVCE_CS(enc->bs_size); // videoBitstreamRingSize
 	RVCE_END();
 
@@ -298,10 +295,10 @@ static void encode(struct rvce_encoder *enc)
 	RVCE_CS(0x00000000); // insertAUD
 	RVCE_CS(0x00000000); // endOfSequence
 	RVCE_CS(0x00000000); // endOfStream
-	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM); // inputPictureLumaAddressHi
-	RVCE_CS(enc->luma->level[0].offset); // inputPictureLumaAddressLo
-	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM); // inputPictureChromaAddressHi
-	RVCE_CS(enc->chroma->level[0].offset); // inputPictureChromaAddressLo
+	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM,
+		  enc->luma->level[0].offset); // inputPictureLumaAddressHi/Lo
+	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM,
+		  enc->chroma->level[0].offset); // inputPictureChromaAddressHi/Lo
 	RVCE_CS(align(enc->luma->npix_y, 16)); // encInputFrameYPitch
 	RVCE_CS(enc->luma->level[0].pitch_bytes); // encInputPicLumaPitch
 	RVCE_CS(enc->chroma->level[0].pitch_bytes); // encInputPicChromaPitch
diff --git a/src/gallium/drivers/radeon/radeon_vce_50.c b/src/gallium/drivers/radeon/radeon_vce_50.c
index 84a2bfb..2cdddf2 100644
--- a/src/gallium/drivers/radeon/radeon_vce_50.c
+++ b/src/gallium/drivers/radeon/radeon_vce_50.c
@@ -96,12 +96,12 @@ static void encode(struct rvce_encoder *enc)
 	task_info(enc, 0x00000003);
 
 	RVCE_BEGIN(0x05000001); // context buffer
-	RVCE_READWRITE(enc->cpb.res->cs_buf, enc->cpb.res->domains); // encodeContextAddressHi
+	RVCE_READWRITE(enc->cpb.res->cs_buf, enc->cpb.res->domains, 0); // encodeContextAddressHi
 	RVCE_CS(0x00000000); // encodeContextAddressLo
 	RVCE_END();
 
 	RVCE_BEGIN(0x05000004); // video bitstream buffer
-	RVCE_WRITE(enc->bs_handle, RADEON_DOMAIN_GTT); // videoBitstreamRingAddressHi
+	RVCE_WRITE(enc->bs_handle, RADEON_DOMAIN_GTT, 0); // videoBitstreamRingAddressHi
 	RVCE_CS(0x00000000); // videoBitstreamRingAddressLo
 	RVCE_CS(enc->bs_size); // videoBitstreamRingSize
 	RVCE_END();
@@ -114,9 +114,9 @@ static void encode(struct rvce_encoder *enc)
 	RVCE_CS(0x00000000); // insertAUD
 	RVCE_CS(0x00000000); // endOfSequence
 	RVCE_CS(0x00000000); // endOfStream
-	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM); // inputPictureLumaAddressHi
+	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM, 0); // inputPictureLumaAddressHi
 	RVCE_CS(enc->luma->level[0].offset); // inputPictureLumaAddressLo
-	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM); // inputPictureChromaAddressHi
+	RVCE_READ(enc->handle, RADEON_DOMAIN_VRAM, 0); // inputPictureChromaAddressHi
 	RVCE_CS(enc->chroma->level[0].offset); // inputPictureChromaAddressLo
 	RVCE_CS(align(enc->luma->npix_y, 16)); // encInputFrameYPitch
 	RVCE_CS(enc->luma->level[0].pitch_bytes); // encInputPicLumaPitch