Commit 704cb30c authored by Vincent Abriou's avatar Vincent Abriou
Browse files

drm/sti: GDP cropping fails when we remove 2 pixels horizontally 



GDP source width should be equal to the destination width to get
rid of this issue.

Signed-off-by: default avatarVincent Abriou <vincent.abriou@st.com>
Reviewed-by: default avatarBenjamin Gaignard <benjamin.gaignard@linaro.org>
parent a5b9a713

drivers/gpu/drm/sti/sti_gdp.c

+5 −4
Original line number Diff line number Diff line
@@ -471,10 +471,6 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane, 
	top_field->gam_gdp_pml += src_x * (bpp >> 3);

	top_field->gam_gdp_pml += src_y * fb->pitches[0];



	/* input parameters */

	top_field->gam_gdp_pmp = fb->pitches[0];

	top_field->gam_gdp_size = src_h << 16 | src_w;



	/* output parameters (clamped / cropped) */

	dst_w = sti_gdp_get_dst(gdp->dev, dst_w, src_w);

	dst_h = sti_gdp_get_dst(gdp->dev, dst_h, src_h);
@@ -485,6 +481,11 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane, 
	top_field->gam_gdp_vpo = (ydo << 16) | xdo;

	top_field->gam_gdp_vps = (yds << 16) | xds;



	/* input parameters */

	src_w = dst_w;

	top_field->gam_gdp_pmp = fb->pitches[0];

	top_field->gam_gdp_size = src_h << 16 | src_w;



	/* Same content and chained together */

	memcpy(btm_field, top_field, sizeof(*btm_field));

	top_field->gam_gdp_nvn = list->btm_field_paddr;

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