On Fri, Mar 25, 2022 at 02:25:23PM +0200, Jani Nikula wrote:
We'll want to keep the EDID immutable while parsing. Stop modifying the EDID because of the quirks.
In theory, this does have userspace implications, but the userspace is supposed to use the modes exposed via KMS API, not by parsing the EDID directly.
Cc: Ville Syrjälä ville.syrjala@linux.intel.com Signed-off-by: Jani Nikula jani.nikula@intel.com
Reviewed-by: Ville Syrjälä ville.syrjala@linux.intel.com
drivers/gpu/drm/drm_edid.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index cc7bd58369df..1b552fe54f38 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2740,9 +2740,9 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, return NULL;
if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
timing->pixel_clock = cpu_to_le16(1088);- mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
mode->clock = 1088 * 10;else
mode->clock = le16_to_cpu(timing->pixel_clock) * 10;mode->hdisplay = hactive; mode->hsync_start = mode->hdisplay + hsync_offset;
@@ -2763,14 +2763,14 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, drm_mode_do_interlace_quirk(mode, pt);
if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC;- } else {
mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
- mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;- mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;set_size: mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; -- 2.30.2