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Commit 6a660f06 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/rv740: fix backend setup 



This patch fixes occlusion queries and rendering errors
on rv740 boards. Hardcoding the backend map is not an optimal
solution, but a better fix is being worked on.

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent d3932d6c

drivers/gpu/drm/radeon/r600_cp.c

+6 −3
Original line number Diff line number Diff line
@@ -1428,6 +1428,9 @@ static void r700_gfx_init(struct drm_device *dev, 


	gb_tiling_config |= R600_BANK_SWAPS(1);



	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)

		backend_map = 0x28;

	else

		backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,

								dev_priv->r600_max_backends,

								(0xff << dev_priv->r600_max_backends) & 0xff);

drivers/gpu/drm/radeon/rv770.c

+6 −3
Original line number Diff line number Diff line
@@ -549,6 +549,9 @@ static void rv770_gpu_init(struct radeon_device *rdev) 


	gb_tiling_config |= BANK_SWAPS(1);



	if (rdev->family == CHIP_RV740)

		backend_map = 0x28;

	else

		backend_map = r700_get_tile_pipe_to_backend_map(rdev->config.rv770.max_tile_pipes,

								rdev->config.rv770.max_backends,

								(0xff << rdev->config.rv770.max_backends) & 0xff);