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authorMarek Olšák <marek.olsak@amd.com>2021-02-04 02:46:20 -0500
committerAlex Deucher <alexander.deucher@amd.com>2021-02-18 16:42:55 -0500
commit4112c00354004cbb1bf56f0114fa9951bf6b13ed (patch)
tree4600616629e5826306e63ecacfebc3dbf998cdf4 /drivers/gpu
parentdrm/radeon: Simplify bool comparison (diff)
downloadlinux-dev-4112c00354004cbb1bf56f0114fa9951bf6b13ed.tar.xz
linux-dev-4112c00354004cbb1bf56f0114fa9951bf6b13ed.zip
drm/amdgpu: fix CGTS_TCC_DISABLE register offset on gfx10.3
This fixes incorrect TCC harvesting info reported to userspace. The impact was a very very tiny performance degradation (unnecessary GL2 cache flushes). Signed-off-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 8ac2af225436..45d1172b7bff 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -70,6 +70,11 @@
#define GB_ADDR_CONFIG__NUM_PKRS__SHIFT 0x8
#define GB_ADDR_CONFIG__NUM_PKRS_MASK 0x00000700L
+#define mmCGTS_TCC_DISABLE_gc_10_3 0x5006
+#define mmCGTS_TCC_DISABLE_gc_10_3_BASE_IDX 1
+#define mmCGTS_USER_TCC_DISABLE_gc_10_3 0x5007
+#define mmCGTS_USER_TCC_DISABLE_gc_10_3_BASE_IDX 1
+
#define mmCP_MEC_CNTL_Sienna_Cichlid 0x0f55
#define mmCP_MEC_CNTL_Sienna_Cichlid_BASE_IDX 0
#define mmRLC_SAFE_MODE_Sienna_Cichlid 0x4ca0
@@ -98,10 +103,6 @@
#define mmGCR_GENERAL_CNTL_Sienna_Cichlid 0x1580
#define mmGCR_GENERAL_CNTL_Sienna_Cichlid_BASE_IDX 0
-#define mmCGTS_TCC_DISABLE_Vangogh 0x5006
-#define mmCGTS_TCC_DISABLE_Vangogh_BASE_IDX 1
-#define mmCGTS_USER_TCC_DISABLE_Vangogh 0x5007
-#define mmCGTS_USER_TCC_DISABLE_Vangogh_BASE_IDX 1
#define mmGOLDEN_TSC_COUNT_UPPER_Vangogh 0x0025
#define mmGOLDEN_TSC_COUNT_UPPER_Vangogh_BASE_IDX 1
#define mmGOLDEN_TSC_COUNT_LOWER_Vangogh 0x0026
@@ -4938,15 +4939,12 @@ static void gfx_v10_0_get_tcc_info(struct amdgpu_device *adev)
/* TCCs are global (not instanced). */
uint32_t tcc_disable;
- switch (adev->asic_type) {
- case CHIP_VANGOGH:
- tcc_disable = RREG32_SOC15(GC, 0, mmCGTS_TCC_DISABLE_Vangogh) |
- RREG32_SOC15(GC, 0, mmCGTS_USER_TCC_DISABLE_Vangogh);
- break;
- default:
+ if (adev->asic_type >= CHIP_SIENNA_CICHLID) {
+ tcc_disable = RREG32_SOC15(GC, 0, mmCGTS_TCC_DISABLE_gc_10_3) |
+ RREG32_SOC15(GC, 0, mmCGTS_USER_TCC_DISABLE_gc_10_3);
+ } else {
tcc_disable = RREG32_SOC15(GC, 0, mmCGTS_TCC_DISABLE) |
- RREG32_SOC15(GC, 0, mmCGTS_USER_TCC_DISABLE);
- break;
+ RREG32_SOC15(GC, 0, mmCGTS_USER_TCC_DISABLE);
}
adev->gfx.config.tcc_disabled_mask =