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authorKalyan Thota <kalyan_t@codeaurora.org>2020-07-30 19:08:56 +0530
committerRob Clark <robdclark@chromium.org>2020-08-17 12:23:47 -0700
commit4c978caf08aa155bdeadd9e2d4b026d4ce97ebd0 (patch)
treeb96a2eac774851b54e6b215f51f157d1e8bfeb42 /drivers/gpu/drm/msm/disp
parentccc862b957c6413b008fbe458034372847992d7f (diff)
drm/msm/dpu: Fix scale params in plane validation
Plane validation uses an API drm_calc_scale which will return src/dst value as a scale ratio. when viewing the range on a scale the values should fall in as Upscale ratio < Unity scale < Downscale ratio for src/dst formula Fix the min and max scale ratios to suit the API accordingly. Signed-off-by: Kalyan Thota <kalyan_t@codeaurora.org> Tested-by: Kristian H. Kristensen <hoegsberg@google.com> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 33f6c56f01ed..29e373d2e7b5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -866,9 +866,9 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
crtc_state = drm_atomic_get_new_crtc_state(state->state,
state->crtc);
- min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxdwnscale);
+ min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale,
- pdpu->pipe_sblk->maxupscale << 16,
+ pdpu->pipe_sblk->maxdwnscale << 16,
true, true);
if (ret) {
DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);