From f105c193ae275b3691c3d9012d5c4561ef5b80af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 28 Apr 2020 20:19:32 +0300
Subject: drm: Shrink drm_display_mode timings
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Git-commit: d857e167963f2faf75727764497b51c942ffe2fc
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Store the timings (apart from the clock) as u16. The uapi mode
struct already uses u16 for everything so using something bigger
internally doesn't really help us.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428171940.19552-9-ville.syrjala@linux.intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/drm_modes.c | 7 ------
include/drm/drm_modes.h | 46 ++++++++++++++++++-------------------
2 files changed, 23 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index e3d5f011f7bd..77d68120931a 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1901,13 +1901,6 @@ EXPORT_SYMBOL(drm_mode_create_from_cmdline_mode);
void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
const struct drm_display_mode *in)
{
- WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX ||
- in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX ||
- in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX ||
- in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX ||
- in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX,
- "timing values too large for mode info\n");
-
out->clock = in->clock;
out->hdisplay = in->hdisplay;
out->hsync_start = in->hsync_start;
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index ebc5ae3ba83b..6e1bdd71cab2 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -279,16 +279,16 @@ struct drm_display_mode {
* Pixel clock in kHz.
*/
int clock; /* in kHz */
- int hdisplay;
- int hsync_start;
- int hsync_end;
- int htotal;
- int hskew;
- int vdisplay;
- int vsync_start;
- int vsync_end;
- int vtotal;
- int vscan;
+ u16 hdisplay;
+ u16 hsync_start;
+ u16 hsync_end;
+ u16 htotal;
+ u16 hskew;
+ u16 vdisplay;
+ u16 vsync_start;
+ u16 vsync_end;
+ u16 vtotal;
+ u16 vscan;
/**
* @flags:
*
@@ -357,19 +357,19 @@ struct drm_display_mode {
* difference is exactly a factor of 10.
*/
int crtc_clock;
- int crtc_hdisplay;
- int crtc_hblank_start;
- int crtc_hblank_end;
- int crtc_hsync_start;
- int crtc_hsync_end;
- int crtc_htotal;
- int crtc_hskew;
- int crtc_vdisplay;
- int crtc_vblank_start;
- int crtc_vblank_end;
- int crtc_vsync_start;
- int crtc_vsync_end;
- int crtc_vtotal;
+ u16 crtc_hdisplay;
+ u16 crtc_hblank_start;
+ u16 crtc_hblank_end;
+ u16 crtc_hsync_start;
+ u16 crtc_hsync_end;
+ u16 crtc_htotal;
+ u16 crtc_hskew;
+ u16 crtc_vdisplay;
+ u16 crtc_vblank_start;
+ u16 crtc_vblank_end;
+ u16 crtc_vsync_start;
+ u16 crtc_vsync_end;
+ u16 crtc_vtotal;
/**
* @private_flags:
--
2.29.2