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drm/msm/dsi: fix panel physical dimensions updated to connector

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Change overrides the panel physical dimensions with correct
value upto a precision of millimeter, which was getting
truncated to centimeter as drm structures maintain it in
centimeters.

Change-Id: I035357596ed42154b657b791846aee6f940f2e53
Signed-off-by: Vara Reddy <varar@codeaurora.org>
This commit is contained in:
Vara Reddy
2019-10-14 11:03:52 -07:00
committed by Gerrit - the friendly Code Review server
parent 4fbdc64598
commit 45ad6294fe
1 changed files with 10 additions and 0 deletions
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10
msm/dsi/dsi_drm.c
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@@ -799,6 +799,8 @@ int dsi_connector_get_modes(struct drm_connector *connector, void *data,
struct drm_display_mode drm_mode; struct drm_display_mode drm_mode;
struct dsi_display *display = data; struct dsi_display *display = data;
struct edid edid; struct edid edid;
u8 width_mm = connector->display_info.width_mm;
u8 height_mm = connector->display_info.height_mm;
const u8 edid_buf[EDID_LENGTH] = { const u8 edid_buf[EDID_LENGTH] = {
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x44, 0x6D, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x44, 0x6D,
0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1B, 0x10, 0x01, 0x03, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1B, 0x10, 0x01, 0x03,
@@ -860,6 +862,14 @@ int dsi_connector_get_modes(struct drm_connector *connector, void *data,
rc = drm_connector_update_edid_property(connector, &edid); rc = drm_connector_update_edid_property(connector, &edid);
if (rc) if (rc)
count = 0; count = 0;
/*
* DRM EDID structure maintains panel physical dimensions in
* centimeters, we will be losing the precision anything below cm.
* Changing DRM framework will effect other clients at this
* moment, overriding the values back to millimeter.
*/
connector->display_info.width_mm = width_mm;
connector->display_info.height_mm = height_mm;
end: end:
DSI_DEBUG("MODE COUNT =%d\n\n", count); DSI_DEBUG("MODE COUNT =%d\n\n", count);
return count; return count;