linux-kernel - [PATCH 1/2] drm: mali-dp: Add plane offset to the plane's physical start address register

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Date:   Thu, 26 Jan 2017 15:31:10 +0000
From:   Liviu Dudau <Liviu.Dudau@....com>
To:     Brian Starkey <brian.starkey@....com>
Cc:     Mali DP Maintainers <malidp@...s.arm.com>,
        David Airlie <airlied@...ux.ie>,
        DRI devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Mihail Atanassov <mihail.atanassov@....com>
Subject: [PATCH 1/2] drm: mali-dp: Add plane offset to the plane's physical start address register

Add the fb->offset[] value to the plane's physical start address
registe. Without that, packed formats are rendered incorrectly.

Signed-off-by: Liviu Dudau <Liviu.Dudau@....com>
---
 drivers/gpu/drm/arm/malidp_planes.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 8845647d5bef..837874e79334 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -197,6 +197,7 @@ static void malidp_de_plane_update(struct drm_plane *plane,
 		ptr = mp->layer->ptr + (i << 4);
 
 		obj = drm_fb_cma_get_gem_obj(plane->state->fb, i);
+		obj->paddr += plane->state->fb->offsets[i];
 		malidp_hw_write(mp->hwdev, lower_32_bits(obj->paddr), ptr);
 		malidp_hw_write(mp->hwdev, upper_32_bits(obj->paddr), ptr + 4);
 		malidp_hw_write(mp->hwdev, plane->state->fb->pitches[i],
-- 
2.11.0