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path: root/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v11_0.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index e7b951f..60bfeb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -302,10 +302,17 @@ static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
* surface base address.
*/
static void dce_v11_0_page_flip(struct amdgpu_device *adev,
- int crtc_id, u64 crtc_base)
+ int crtc_id, u64 crtc_base, bool async)
{
struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
+ u32 tmp;
+ /* flip at hsync for async, default is vsync */
+ /* use UPDATE_IMMEDIATE_EN instead for async? */
+ tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
+ GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
+ WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
/* update the scanout addresses */
WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
upper_32_bits(crtc_base));
@@ -2185,6 +2192,14 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
dce_v11_0_vga_enable(crtc, false);
+ /* Make sure surface address is updated at vertical blank rather than
+ * horizontal blank
+ */
+ tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
+ GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
+ WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+
WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
upper_32_bits(fb_location));
WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
@@ -2235,13 +2250,6 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
(viewport_w << 16) | viewport_h);
- /* pageflip setup */
- /* make sure flip is at vb rather than hb */
- tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
- tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
- GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
- WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
-
/* set pageflip to happen only at start of vblank interval (front porch) */
WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
@@ -3042,6 +3050,8 @@ static int dce_v11_0_sw_init(void *handle)
adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
+ adev->ddev->mode_config.async_page_flip = true;
+
adev->ddev->mode_config.max_width = 16384;
adev->ddev->mode_config.max_height = 16384;
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