3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher <alexander.deucher@xxxxxxx> commit 7c1c7c18fc752b2a1d07597286467ef186312463 upstream. A new tiling config register for the display blocks was added on DCE6. May fix: https://bugs.freedesktop.org/show_bug.cgi?id=62889 https://bugs.freedesktop.org/show_bug.cgi?id=57919 Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/radeon/ni.c | 2 ++ drivers/gpu/drm/radeon/nid.h | 4 ++++ drivers/gpu/drm/radeon/si.c | 1 + drivers/gpu/drm/radeon/sid.h | 2 ++ 4 files changed, 9 insertions(+) --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -911,6 +911,8 @@ static void cayman_gpu_init(struct radeo WREG32(GB_BACKEND_MAP, gb_backend_map); WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); + if (ASIC_IS_DCE6(rdev)) + WREG32(DMIF_ADDR_CALC, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); /* primary versions */ --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -42,6 +42,10 @@ #define CAYMAN_MAX_TCC_MASK 0xFF #define DMIF_ADDR_CONFIG 0xBD4 + +/* DCE6 only */ +#define DMIF_ADDR_CALC 0xC00 + #define SRBM_GFX_CNTL 0x0E44 #define RINGID(x) (((x) & 0x3) << 0) #define VMID(x) (((x) & 0x7) << 0) --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1799,6 +1799,7 @@ static void si_gpu_init(struct radeon_de rdev->config.si.backend_map = gb_backend_map; WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); + WREG32(DMIF_ADDR_CALC, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); /* primary versions */ --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -55,6 +55,8 @@ #define DMIF_ADDR_CONFIG 0xBD4 +#define DMIF_ADDR_CALC 0xC00 + #define SRBM_STATUS 0xE50 #define CC_SYS_RB_BACKEND_DISABLE 0xe80 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html