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drm/radeon: fix active cu count for SI and CIK

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This fixes the CU count reported to userspace for
OpenCL.

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

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 11:54:15 -04:00
parent cd1c9c1a4b
commit 6101b3ae94
2 changed files with 6 additions and 10 deletions
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4
drivers/gpu/drm/radeon/cik.c
View File

@ -3483,7 +3483,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
u32 mc_shared_chmap, mc_arb_ramcfg;
u32 hdp_host_path_cntl;
u32 tmp;
int i, j, k;
int i, j;
switch (rdev->family) {
case CHIP_BONAIRE:
@ -3674,12 +3674,10 @@ static void cik_gpu_init(struct radeon_device *rdev)
for (i = 0; i < rdev->config.cik.max_shader_engines; i++) {
for (j = 0; j < rdev->config.cik.max_sh_per_se; j++) {
for (k = 0; k < rdev->config.cik.max_cu_per_sh; k++) {
rdev->config.cik.active_cus +=
hweight32(cik_get_cu_active_bitmap(rdev, i, j));
}
}
}
/* set HW defaults for 3D engine */
WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));

4
drivers/gpu/drm/radeon/si.c
View File

@ -3057,7 +3057,7 @@ static void si_gpu_init(struct radeon_device *rdev)
u32 sx_debug_1;
u32 hdp_host_path_cntl;
u32 tmp;
int i, j, k;
int i, j;
switch (rdev->family) {
case CHIP_TAHITI:
@ -3257,12 +3257,10 @@ static void si_gpu_init(struct radeon_device *rdev)
for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
rdev->config.si.active_cus +=
hweight32(si_get_cu_active_bitmap(rdev, i, j));
}
}
}
/* set HW defaults for 3D engine */
WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |