From: Zhenneng Li <lizhenneng@kylinos.cn> To: unlisted-recipients:; (no To-header on input) Cc: "Zhenneng Li" <lizhenneng@kylinos.cn>, "Alex Deucher" <alexander.deucher@amd.com>, "Christian König" <christian.koenig@amd.com>, "Pan, Xinhui" <Xinhui.Pan@amd.com>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel@ffwll.ch>, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/radeon: Update pitch for page flip Date: Mon, 2 Aug 2021 15:43:10 +0800 [thread overview] Message-ID: <20210802074310.1526526-1-lizhenneng@kylinos.cn> (raw) [-- Attachment #1: Type: text/plain, Size: 1892 bytes --] When primary bo is updated, crtc's pitch may have not been updated, this will lead to show disorder content when user changes display mode, we update crtc's pitch in page flip to avoid this bug. This refers to amdgpu's pageflip. Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Zhenneng Li <lizhenneng@kylinos.cn> --- drivers/gpu/drm/radeon/evergreen.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 36a888e1b179..eeb590d2dec2 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -28,6 +28,7 @@ #include <drm/drm_vblank.h> #include <drm/radeon_drm.h> +#include <drm/drm_fourcc.h> #include "atom.h" #include "avivod.h" @@ -1414,10 +1415,15 @@ void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + struct drm_framebuffer *fb = radeon_crtc->base.primary->fb; - /* update the scanout addresses */ + /* flip at hsync for async, default is vsync */ WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0); + /* update pitch */ + WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, + fb->pitches[0] / fb->format->cpp[0]); + /* update the scanout addresses */ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, upper_32_bits(crtc_base)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, -- 2.25.1 [-- Attachment #2: Type: text/plain, Size: 82 bytes --] Content-type: Text/plain No virus found Checked by Hillstone Network AntiVirus
WARNING: multiple messages have this Message-ID (diff)
From: Zhenneng Li <lizhenneng@kylinos.cn> Cc: "Zhenneng Li" <lizhenneng@kylinos.cn>, "Alex Deucher" <alexander.deucher@amd.com>, "Christian König" <christian.koenig@amd.com>, "Pan, Xinhui" <Xinhui.Pan@amd.com>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel@ffwll.ch>, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/radeon: Update pitch for page flip Date: Mon, 2 Aug 2021 15:43:10 +0800 [thread overview] Message-ID: <20210802074310.1526526-1-lizhenneng@kylinos.cn> (raw) [-- Attachment #1: Type: text/plain, Size: 1892 bytes --] When primary bo is updated, crtc's pitch may have not been updated, this will lead to show disorder content when user changes display mode, we update crtc's pitch in page flip to avoid this bug. This refers to amdgpu's pageflip. Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Zhenneng Li <lizhenneng@kylinos.cn> --- drivers/gpu/drm/radeon/evergreen.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 36a888e1b179..eeb590d2dec2 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -28,6 +28,7 @@ #include <drm/drm_vblank.h> #include <drm/radeon_drm.h> +#include <drm/drm_fourcc.h> #include "atom.h" #include "avivod.h" @@ -1414,10 +1415,15 @@ void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + struct drm_framebuffer *fb = radeon_crtc->base.primary->fb; - /* update the scanout addresses */ + /* flip at hsync for async, default is vsync */ WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0); + /* update pitch */ + WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, + fb->pitches[0] / fb->format->cpp[0]); + /* update the scanout addresses */ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, upper_32_bits(crtc_base)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, -- 2.25.1 [-- Attachment #2: Type: text/plain, Size: 82 bytes --] Content-type: Text/plain No virus found Checked by Hillstone Network AntiVirus
next reply other threads:[~2021-08-02 7:43 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-02 7:43 Zhenneng Li [this message] 2021-08-02 7:43 ` [PATCH] drm/radeon: Update pitch for page flip Zhenneng Li 2021-08-02 8:12 ` Christian König 2021-08-02 8:31 ` Daniel Vetter 2021-08-02 14:51 ` Alex Deucher 2021-08-03 8:00 ` 李真能 2021-08-03 8:34 ` Michel Dänzer 2021-08-03 14:49 ` Alex Deucher 2021-08-04 15:46 ` Daniel Vetter
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