| Message ID | 1292428916-28491-1-git-send-email-alexdeucher@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 361d04c..2ce9c3f 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -755,6 +755,8 @@ void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev) unsigned i; u32 tmp; + WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); + WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); for (i = 0; i < rdev->usec_timeout; i++) { /* read MC_STATUS */ diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 87fcaba..720fd9a 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -176,6 +176,7 @@ #define HDP_NONSURFACE_BASE 0x2C04 #define HDP_NONSURFACE_INFO 0x2C08 #define HDP_NONSURFACE_SIZE 0x2C0C +#define HDP_MEM_COHERENCY_FLUSH_CNTL 0x5480 #define HDP_REG_COHERENCY_FLUSH_CNTL 0x54A0 #define HDP_TILING_CONFIG 0x2F3C