diff mbox series

[2/3] drm/fb-helper: drop redundant pixclock check from drm_fb_helper_set_par()

Message ID 20230404194038.472803-2-daniel.vetter@ffwll.ch (mailing list archive)
State New, archived
Headers show
Series [1/3] drm/fb-helper: set x/yres_virtual in drm_fb_helper_check_var | expand

Commit Message

Daniel Vetter April 4, 2023, 7:40 p.m. UTC
The fb_check_var hook is supposed to validate all this stuff. Any
errors from fb_set_par are considered driver/hw issues and resulting
in dmesg warnings.

Luckily we do fix up the pixclock already, so this is all fine.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/drm_fb_helper.c | 5 -----
 1 file changed, 5 deletions(-)

Comments

Javier Martinez Canillas April 5, 2023, 10:23 a.m. UTC | #1
Daniel Vetter <daniel.vetter@ffwll.ch> writes:

> The fb_check_var hook is supposed to validate all this stuff. Any
> errors from fb_set_par are considered driver/hw issues and resulting
> in dmesg warnings.
>
> Luckily we do fix up the pixclock already, so this is all fine.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> ---

Makes sense to drop this.

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index eb4ece3e0027..b9696d13a741 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1647,11 +1647,6 @@  int drm_fb_helper_set_par(struct fb_info *info)
 	if (oops_in_progress)
 		return -EBUSY;
 
-	if (var->pixclock != 0) {
-		drm_err(fb_helper->dev, "PIXEL CLOCK SET\n");
-		return -EINVAL;
-	}
-
 	/*
 	 * Normally we want to make sure that a kms master takes precedence over
 	 * fbdev, to avoid fbdev flickering and occasionally stealing the