drm/fb: small cleanup
Flip conditional to reduce indentation level of rest of fxn, and use
min/max to make the code clearer.
v2: surface_width -> surface_height typo
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 1e6a0c7..dca98a4 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1035,22 +1035,24 @@
for (i = 0; i < fb_helper->crtc_count; i++) {
struct drm_display_mode *desired_mode;
int x, y;
+
desired_mode = fb_helper->crtc_info[i].desired_mode;
+
+ if (!desired_mode)
+ continue;
+
+ crtc_count++;
+
x = fb_helper->crtc_info[i].x;
y = fb_helper->crtc_info[i].y;
- if (desired_mode) {
- if (gamma_size == 0)
- gamma_size = fb_helper->crtc_info[i].mode_set.crtc->gamma_size;
- if (desired_mode->hdisplay + x < sizes.fb_width)
- sizes.fb_width = desired_mode->hdisplay + x;
- if (desired_mode->vdisplay + y < sizes.fb_height)
- sizes.fb_height = desired_mode->vdisplay + y;
- if (desired_mode->hdisplay + x > sizes.surface_width)
- sizes.surface_width = desired_mode->hdisplay + x;
- if (desired_mode->vdisplay + y > sizes.surface_height)
- sizes.surface_height = desired_mode->vdisplay + y;
- crtc_count++;
- }
+
+ if (gamma_size == 0)
+ gamma_size = fb_helper->crtc_info[i].mode_set.crtc->gamma_size;
+
+ sizes.surface_width = max_t(u32, desired_mode->hdisplay + x, sizes.surface_width);
+ sizes.surface_height = max_t(u32, desired_mode->vdisplay + y, sizes.surface_height);
+ sizes.fb_width = min_t(u32, desired_mode->hdisplay + x, sizes.fb_width);
+ sizes.fb_height = min_t(u32, desired_mode->vdisplay + y, sizes.fb_height);
}
if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {