diff mbox series

[v3,08/16] drm: Shrink drm_display_mode timings

Message ID 20200428171940.19552-9-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series drm: Put drm_display_mode on diet | expand

Commit Message

Ville Syrjälä April 28, 2020, 5:19 p.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

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>
---
 drivers/gpu/drm/drm_modes.c |  7 ------
 include/drm/drm_modes.h     | 46 ++++++++++++++++++-------------------
 2 files changed, 23 insertions(+), 30 deletions(-)
diff mbox series

Patch

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 da7db74a215e..917527eb8067 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -278,16 +278,16 @@  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:
 	 *
@@ -356,19 +356,19 @@  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: