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drm/bridge: synopsys: dw-hdmi: use default mode list when no edid

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For compatibility with GKI, drm_display_mode_from_vic_index() can't
be export function. So we use use default mode list when edid can't
be got.

Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Change-Id: Ic7d046e4ccf36981449d36067efd8bb2388e27e4
This commit is contained in:
Algea Cao
2020-08-05 17:16:05 +08:00
committed by Tao Huang
parent 80d1e37696
commit db1d765195
1 changed files with 39 additions and 5 deletions
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44
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -164,6 +164,39 @@ static const u16 csc_coeff_full_to_limited[3][4] = {
{ 0x0000, 0x0000, 0x36f7, 0x0040 }
};
static const struct drm_display_mode dw_hdmi_default_modes[] = {
/* 4 - 1280x720@60Hz 16:9 */
{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1430, 1650, 0, 720, 725, 730, 750, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 16 - 1920x1080@60Hz 16:9 */
{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 31 - 1920x1080@50Hz 16:9 */
{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 19 - 1280x720@50Hz 16:9 */
{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1760, 1980, 0, 720, 725, 730, 750, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 17 - 720x576@50Hz 4:3 */
{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
796, 864, 0, 576, 581, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
/* 2 - 720x480@60Hz 4:3 */
{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
798, 858, 0, 480, 489, 495, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
};
struct hdmi_vmode {
bool mdataenablepolarity;
@@ -2606,7 +2639,6 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
&connector->hdr_sink_metadata.hdmi_type1;
struct edid *edid;
struct drm_display_mode *mode;
const u8 def_modes[6] = {4, 16, 31, 19, 17, 2};
struct drm_display_info *info = &connector->display_info;
int i, ret = 0;
@@ -2629,10 +2661,12 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
} else {
hdmi->sink_is_hdmi = true;
hdmi->sink_has_audio = true;
for (i = 0; i < sizeof(def_modes); i++) {
mode = drm_display_mode_from_vic_index(connector,
def_modes,
31, i);
for (i = 0; i < ARRAY_SIZE(dw_hdmi_default_modes); i++) {
const struct drm_display_mode *ptr =
&dw_hdmi_default_modes[i];
mode = drm_mode_duplicate(connector->dev, ptr);
if (mode) {
if (!i)
mode->type = DRM_MODE_TYPE_PREFERRED;