Lookup the drm_format_info structure once when computing all the
framebuffer plane addresses by using drm_format_info(), rather than
repetitive lookups via drm_format_plane_cpp().
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/armada/armada_crtc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index 77fc038cbfae..748de4691224 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -168,8 +168,9 @@ static void armada_drm_crtc_update(struct armada_crtc *dcrtc)
void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
int x, int y)
{
+ const struct drm_format_info *format = fb->format;
+ unsigned int num_planes = format->num_planes;
u32 addr = drm_fb_obj(fb)->dev_addr;
- int num_planes = fb->format->num_planes;
int i;
if (num_planes > 3)
@@ -177,7 +178,7 @@ void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
for (i = 0; i < num_planes; i++)
addrs[i] = addr + fb->offsets[i] + y * fb->pitches[i] +
- x * fb->format->cpp[i];
+ x * format->cpp[i];
for (; i < 3; i++)
addrs[i] = 0;
}
--
2.7.4
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
