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path: root/drivers/gpu/drm/radeon/atombios_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 10e41af6b026..b41ec59c7100 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1009,6 +1009,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
uint64_t fb_location;
uint32_t fb_format, fb_pitch_pixels, tiling_flags;
u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
+ u32 tmp;
int r;
/* no fb bound */
@@ -1137,6 +1138,15 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
(crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
+ /* pageflip setup */
+ /* make sure flip is at vb rather than hb */
+ tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
+ tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
+ WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
+
+ /* set pageflip to happen anywhere in vblank interval */
+ WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
+
if (!atomic && fb && fb != crtc->fb) {
radeon_fb = to_radeon_framebuffer(fb);
rbo = gem_to_radeon_bo(radeon_fb->obj);
@@ -1167,6 +1177,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
uint64_t fb_location;
uint32_t fb_format, fb_pitch_pixels, tiling_flags;
u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
+ u32 tmp;
int r;
/* no fb bound */
@@ -1294,6 +1305,15 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
(crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
+ /* pageflip setup */
+ /* make sure flip is at vb rather than hb */
+ tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
+ tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
+ WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
+
+ /* set pageflip to happen anywhere in vblank interval */
+ WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
+
if (!atomic && fb && fb != crtc->fb) {
radeon_fb = to_radeon_framebuffer(fb);
rbo = gem_to_radeon_bo(radeon_fb->obj);