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drm/radeon: fix active_cu mask on SI and CIK after re-init (v3) 

Need to initialize the mask to 0 on init, otherwise it
keeps increasing.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=82581

v2: also fix cu count
v3: split count fix into separate patch

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2014-08-19 11:56:38 -04:00
parent 6101b3ae94
commit 52da51f0f9
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/radeon/cik.c
View File

@ -3672,6 +3672,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
rdev->config.cik.max_sh_per_se,
rdev->config.cik.max_backends_per_se);
rdev->config.cik.active_cus = 0;
for (i = 0; i < rdev->config.cik.max_shader_engines; i++) {
for (j = 0; j < rdev->config.cik.max_sh_per_se; j++) {
rdev->config.cik.active_cus +=

1
drivers/gpu/drm/radeon/si.c
View File

@ -3255,6 +3255,7 @@ static void si_gpu_init(struct radeon_device *rdev)
rdev->config.si.max_sh_per_se,
rdev->config.si.max_cu_per_sh);
rdev->config.si.active_cus = 0;
for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
rdev->config.si.active_cus +=