From: Christian König Date: Thu, 25 Apr 2013 07:02:14 +0000 (+0200) Subject: drm/radeon: implement UVD hw workarounds for R6xx v3 X-Git-Tag: firefly_0821_release~176^2~3035^2~75^2~10 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=115365e8a33e4ce5e12bee7999568a26b4c33d3f;p=firefly-linux-kernel-4.4.55.git drm/radeon: implement UVD hw workarounds for R6xx v3 Only the essentials, cause this hw generation is really buggy. v2: start supporting RV670,RV620 and RV635 as well v3: activate more workarounds Signed-off-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 420bed19e139..671b48032a3d 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -330,6 +330,7 @@ #define HDP_TILING_CONFIG 0x2F3C #define HDP_DEBUG1 0x2F34 +#define MC_CONFIG 0x2000 #define MC_VM_AGP_TOP 0x2184 #define MC_VM_AGP_BOT 0x2188 #define MC_VM_AGP_BASE 0x218C @@ -375,6 +376,8 @@ #define MC_VM_SYSTEM_APERTURE_HIGH_ADDR 0x2194 #define MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR 0x2198 +#define RS_DQ_RD_RET_CONF 0x2348 + #define PA_CL_ENHANCE 0x8A14 #define CLIP_VTX_REORDER_ENA (1 << 0) #define NUM_CLIP_SEQ(x) ((x) << 1) diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c index 62d7086f0e08..c3e182bc6c59 100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@ -207,8 +207,32 @@ done: /* lower clocks again */ radeon_set_uvd_clocks(rdev, 0, 0); - if (!r) + if (!r) { + switch (rdev->family) { + case CHIP_RV610: + case CHIP_RV630: + case CHIP_RV620: + /* 64byte granularity workaround */ + WREG32(MC_CONFIG, 0); + WREG32(MC_CONFIG, 1 << 4); + WREG32(RS_DQ_RD_RET_CONF, 0x3f); + WREG32(MC_CONFIG, 0x1f); + + /* fall through */ + case CHIP_RV670: + case CHIP_RV635: + + /* write clean workaround */ + WREG32_P(UVD_VCPU_CNTL, 0x10, ~0x10); + break; + + default: + /* TODO: Do we need more? */ + break; + } + DRM_INFO("UVD initialized successfully.\n"); + } return r; }