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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2010-09-12 16:38:55 +0200 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-21 11:40:28 +0100 |
| commit | 22533b494ff6a812b3e97248cc6c062858396182 (patch) | |
| tree | 5033e66110618dedbcdc6ff7cd3beab582c92984 /drivers/char | |
| parent | 0af9e92e779602bdd6d4d19acf63b4802fab91b6 (diff) | |
| download | kernel_samsung_smdk4412-22533b494ff6a812b3e97248cc6c062858396182.zip kernel_samsung_smdk4412-22533b494ff6a812b3e97248cc6c062858396182.tar.gz kernel_samsung_smdk4412-22533b494ff6a812b3e97248cc6c062858396182.tar.bz2 | |
intel-gtt: store the dma mask size in intel_gtt_driver
Storing this explicitly makes for clearer code and hopefully
less further confusion.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 4f84063..f82a2a6 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -73,6 +73,7 @@ struct intel_gtt_driver { unsigned int is_g33 : 1; unsigned int is_pineview : 1; unsigned int is_ironlake : 1; + unsigned int dma_mask_size : 8; /* Chipset specific GTT setup */ int (*setup)(void); void (*write_entry)(dma_addr_t addr, unsigned int entry, unsigned int flags); @@ -1309,11 +1310,13 @@ static const struct agp_bridge_driver intel_fake_agp_driver = { static const struct intel_gtt_driver i81x_gtt_driver = { .gen = 1, + .dma_mask_size = 32, }; static const struct intel_gtt_driver i8xx_gtt_driver = { .gen = 2, .setup = i830_setup, .write_entry = i830_write_entry, + .dma_mask_size = 32, .check_flags = i830_check_flags, .chipset_flush = i830_chipset_flush, }; @@ -1322,6 +1325,7 @@ static const struct intel_gtt_driver i915_gtt_driver = { .setup = i9xx_setup, /* i945 is the last gpu to need phys mem (for overlay and cursors). */ .write_entry = i830_write_entry, + .dma_mask_size = 32, .check_flags = i830_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1330,6 +1334,7 @@ static const struct intel_gtt_driver g33_gtt_driver = { .is_g33 = 1, .setup = i9xx_setup, .write_entry = i965_write_entry, + .dma_mask_size = 36, .check_flags = i830_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1338,6 +1343,7 @@ static const struct intel_gtt_driver pineview_gtt_driver = { .is_pineview = 1, .is_g33 = 1, .setup = i9xx_setup, .write_entry = i965_write_entry, + .dma_mask_size = 36, .check_flags = i830_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1345,6 +1351,7 @@ static const struct intel_gtt_driver i965_gtt_driver = { .gen = 4, .setup = i9xx_setup, .write_entry = i965_write_entry, + .dma_mask_size = 36, .check_flags = i830_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1352,6 +1359,7 @@ static const struct intel_gtt_driver g4x_gtt_driver = { .gen = 5, .setup = i9xx_setup, .write_entry = i965_write_entry, + .dma_mask_size = 36, .check_flags = i830_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1360,6 +1368,7 @@ static const struct intel_gtt_driver ironlake_gtt_driver = { .is_ironlake = 1, .setup = i9xx_setup, .write_entry = i965_write_entry, + .dma_mask_size = 36, .check_flags = i830_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1367,6 +1376,7 @@ static const struct intel_gtt_driver sandybridge_gtt_driver = { .gen = 6, .setup = i9xx_setup, .write_entry = gen6_write_entry, + .dma_mask_size = 40, .check_flags = gen6_check_flags, .chipset_flush = i9xx_chipset_flush, }; @@ -1511,13 +1521,7 @@ int intel_gmch_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name); - if (intel_private.driver->write_entry == gen6_write_entry) - mask = 40; - else if (intel_private.driver->write_entry == i965_write_entry) - mask = 36; - else - mask = 32; - + mask = intel_private.driver->dma_mask_size; if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask))) dev_err(&intel_private.pcidev->dev, "set gfx device dma mask %d-bit failed!\n", mask); |