diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-05-19 17:07:57 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@gmail.com> | 2011-05-22 12:24:24 +0200 |
| commit | f25a5c63bfa017498c9adecb24d649ae96ba5c68 (patch) | |
| tree | d666621735c0d6480bfbced78591391528e4e2a0 /drivers/gpu | |
| parent | agp/uninorth: Fix lockups with radeon KMS and >1x. (diff) | |
| download | linux-f25a5c63bfa017498c9adecb24d649ae96ba5c68.tar.xz linux-f25a5c63bfa017498c9adecb24d649ae96ba5c68.zip | |
drm/radeon/evergreen/btc/fusion: setup hdp to invalidate and flush when asked
This needs to be explicitly set on btc. It's set by default
on evergreen/fusion, so it fine to just unconditionally enable it for
all chips.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@gmail.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index c20eac3379e6..864e853cc0ec 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1578,7 +1578,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) u32 sq_stack_resource_mgmt_2; u32 sq_stack_resource_mgmt_3; u32 vgt_cache_invalidation; - u32 hdp_host_path_cntl; + u32 hdp_host_path_cntl, tmp; int i, j, num_shader_engines, ps_thread_count; switch (rdev->family) { @@ -2138,6 +2138,10 @@ static void evergreen_gpu_init(struct radeon_device *rdev) for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4) WREG32(i, 0); + tmp = RREG32(HDP_MISC_CNTL); + tmp |= HDP_FLUSH_INVALIDATE_CACHE; + WREG32(HDP_MISC_CNTL, tmp); + hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 94533849927e..75b57e394f2b 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -64,6 +64,8 @@ #define GB_BACKEND_MAP 0x98FC #define DMIF_ADDR_CONFIG 0xBD4 #define HDP_ADDR_CONFIG 0x2F48 +#define HDP_MISC_CNTL 0x2F4C +#define HDP_FLUSH_INVALIDATE_CACHE (1 << 0) #define CC_SYS_RB_BACKEND_DISABLE 0x3F88 #define GC_USER_RB_BACKEND_DISABLE 0x9B7C |