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path: root/drivers/gpu/drm/drm_edid.c
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Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c279
1 files changed, 233 insertions, 46 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 474ac04d5600..99769d6c9f84 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -710,14 +710,11 @@ static const struct minimode extra_modes[] = {
};
/*
- * Probably taken from CEA-861 spec.
- * This table is converted from xorg's hw/xfree86/modes/xf86EdidModes.c.
+ * From CEA/CTA-861 spec.
*
- * Index using the VIC.
+ * Do not access directly, instead always use cea_mode_for_vic().
*/
-static const struct drm_display_mode edid_cea_modes[] = {
- /* 0 - dummy, VICs start at 1 */
- { },
+static const struct drm_display_mode edid_cea_modes_1[] = {
/* 1 - 640x480@60Hz 4:3 */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
752, 800, 0, 480, 490, 492, 525, 0,
@@ -1381,6 +1378,149 @@ static const struct drm_display_mode edid_cea_modes[] = {
};
/*
+ * From CEA/CTA-861 spec.
+ *
+ * Do not access directly, instead always use cea_mode_for_vic().
+ */
+static const struct drm_display_mode edid_cea_modes_193[] = {
+ /* 193 - 5120x2160@120Hz 64:27 */
+ { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
+ 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 194 - 7680x4320@24Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
+ 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 195 - 7680x4320@25Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
+ 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 196 - 7680x4320@30Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
+ 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 197 - 7680x4320@48Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
+ 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 198 - 7680x4320@50Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
+ 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 199 - 7680x4320@60Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
+ 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 200 - 7680x4320@100Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
+ 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 201 - 7680x4320@120Hz 16:9 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
+ 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 202 - 7680x4320@24Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
+ 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 203 - 7680x4320@25Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
+ 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 204 - 7680x4320@30Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
+ 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 205 - 7680x4320@48Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
+ 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 206 - 7680x4320@50Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
+ 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 207 - 7680x4320@60Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
+ 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 208 - 7680x4320@100Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
+ 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 209 - 7680x4320@120Hz 64:27 */
+ { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
+ 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 210 - 10240x4320@24Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
+ 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 211 - 10240x4320@25Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
+ 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 212 - 10240x4320@30Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
+ 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 213 - 10240x4320@48Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
+ 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 214 - 10240x4320@50Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
+ 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 215 - 10240x4320@60Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
+ 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 216 - 10240x4320@100Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
+ 12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 217 - 10240x4320@120Hz 64:27 */
+ { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
+ 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 218 - 4096x2160@100Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
+ 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 219 - 4096x2160@120Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
+ 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+};
+
+/*
* HDMI 1.4 4k modes. Index using the VIC.
*/
static const struct drm_display_mode edid_4k_modes[] = {
@@ -1391,25 +1531,25 @@ static const struct drm_display_mode edid_4k_modes[] = {
3840, 4016, 4104, 4400, 0,
2160, 2168, 2178, 2250, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
- .vrefresh = 30, },
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 2 - 3840x2160@25Hz */
{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
3840, 4896, 4984, 5280, 0,
2160, 2168, 2178, 2250, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
- .vrefresh = 25, },
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 3 - 3840x2160@24Hz */
{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
3840, 5116, 5204, 5500, 0,
2160, 2168, 2178, 2250, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
- .vrefresh = 24, },
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
/* 4 - 4096x2160@24Hz (SMPTE) */
{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
4096, 5116, 5204, 5500, 0,
2160, 2168, 2178, 2250, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
- .vrefresh = 24, },
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
};
/*** DDC fetch and block validation ***/
@@ -3071,6 +3211,30 @@ static u8 *drm_find_cea_extension(const struct edid *edid)
return cea;
}
+static const struct drm_display_mode *cea_mode_for_vic(u8 vic)
+{
+ BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
+ BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
+
+ if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
+ return &edid_cea_modes_1[vic - 1];
+ if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
+ return &edid_cea_modes_193[vic - 193];
+ return NULL;
+}
+
+static u8 cea_num_vics(void)
+{
+ return 193 + ARRAY_SIZE(edid_cea_modes_193);
+}
+
+static u8 cea_next_vic(u8 vic)
+{
+ if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
+ vic = 193;
+ return vic;
+}
+
/*
* Calculate the alternate clock for the CEA mode
* (60Hz vs. 59.94Hz etc.)
@@ -3108,14 +3272,14 @@ cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
* get the other variants by simply increasing the
* vertical front porch length.
*/
- BUILD_BUG_ON(edid_cea_modes[8].vtotal != 262 ||
- edid_cea_modes[9].vtotal != 262 ||
- edid_cea_modes[12].vtotal != 262 ||
- edid_cea_modes[13].vtotal != 262 ||
- edid_cea_modes[23].vtotal != 312 ||
- edid_cea_modes[24].vtotal != 312 ||
- edid_cea_modes[27].vtotal != 312 ||
- edid_cea_modes[28].vtotal != 312);
+ BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
+ cea_mode_for_vic(9)->vtotal != 262 ||
+ cea_mode_for_vic(12)->vtotal != 262 ||
+ cea_mode_for_vic(13)->vtotal != 262 ||
+ cea_mode_for_vic(23)->vtotal != 312 ||
+ cea_mode_for_vic(24)->vtotal != 312 ||
+ cea_mode_for_vic(27)->vtotal != 312 ||
+ cea_mode_for_vic(28)->vtotal != 312);
if (((vic == 8 || vic == 9 ||
vic == 12 || vic == 13) && mode->vtotal < 263) ||
@@ -3143,8 +3307,8 @@ static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_m
if (to_match->picture_aspect_ratio)
match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
- for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
- struct drm_display_mode cea_mode = edid_cea_modes[vic];
+ for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
+ struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
unsigned int clock1, clock2;
/* Check both 60Hz and 59.94Hz */
@@ -3182,8 +3346,8 @@ u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
if (to_match->picture_aspect_ratio)
match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
- for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
- struct drm_display_mode cea_mode = edid_cea_modes[vic];
+ for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
+ struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
unsigned int clock1, clock2;
/* Check both 60Hz and 59.94Hz */
@@ -3206,28 +3370,31 @@ EXPORT_SYMBOL(drm_match_cea_mode);
static bool drm_valid_cea_vic(u8 vic)
{
- return vic > 0 && vic < ARRAY_SIZE(edid_cea_modes);
+ return cea_mode_for_vic(vic) != NULL;
}
static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
{
- return edid_cea_modes[video_code].picture_aspect_ratio;
+ const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
+
+ if (mode)
+ return mode->picture_aspect_ratio;
+
+ return HDMI_PICTURE_ASPECT_NONE;
+}
+
+static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
+{
+ return edid_4k_modes[video_code].picture_aspect_ratio;
}
/*
* Calculate the alternate clock for HDMI modes (those from the HDMI vendor
* specific block).
- *
- * It's almost like cea_mode_alternate_clock(), we just need to add an
- * exception for the VIC 4 mode (4096x2160@24Hz): no alternate clock for this
- * one.
*/
static unsigned int
hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
{
- if (hdmi_mode->vdisplay == 4096 && hdmi_mode->hdisplay == 2160)
- return hdmi_mode->clock;
-
return cea_mode_alternate_clock(hdmi_mode);
}
@@ -3240,6 +3407,9 @@ static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_
if (!to_match->clock)
return 0;
+ if (to_match->picture_aspect_ratio)
+ match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
+
for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
unsigned int clock1, clock2;
@@ -3275,6 +3445,9 @@ static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
if (!to_match->clock)
return 0;
+ if (to_match->picture_aspect_ratio)
+ match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
+
for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
unsigned int clock1, clock2;
@@ -3319,7 +3492,7 @@ add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
unsigned int clock1, clock2;
if (drm_valid_cea_vic(vic)) {
- cea_mode = &edid_cea_modes[vic];
+ cea_mode = cea_mode_for_vic(vic);
clock2 = cea_mode_alternate_clock(cea_mode);
} else {
vic = drm_match_hdmi_mode(mode);
@@ -3394,7 +3567,7 @@ drm_display_mode_from_vic_index(struct drm_connector *connector,
if (!drm_valid_cea_vic(vic))
return NULL;
- newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
+ newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
if (!newmode)
return NULL;
@@ -3428,7 +3601,7 @@ static int do_y420vdb_modes(struct drm_connector *connector,
if (!drm_valid_cea_vic(vic))
continue;
- newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
+ newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
if (!newmode)
break;
bitmap_set(hdmi->y420_vdb_modes, vic, 1);
@@ -3997,7 +4170,7 @@ static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
vic = drm_match_cea_mode_clock_tolerance(mode, 5);
if (drm_valid_cea_vic(vic)) {
type = "CEA";
- cea_mode = &edid_cea_modes[vic];
+ cea_mode = cea_mode_for_vic(vic);
clock1 = cea_mode->clock;
clock2 = cea_mode_alternate_clock(cea_mode);
} else {
@@ -4279,12 +4452,12 @@ int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
cea = drm_find_cea_extension(edid);
if (!cea) {
DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
- return -ENOENT;
+ return 0;
}
if (cea_revision(cea) < 3) {
DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
- return -EOPNOTSUPP;
+ return 0;
}
if (cea_db_offsets(cea, &start, &end)) {
@@ -4340,12 +4513,12 @@ int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
cea = drm_find_cea_extension(edid);
if (!cea) {
DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
- return -ENOENT;
+ return 0;
}
if (cea_revision(cea) < 3) {
DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
- return -EOPNOTSUPP;
+ return 0;
}
if (cea_db_offsets(cea, &start, &end)) {
@@ -4573,7 +4746,7 @@ static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
if (scdc->supported) {
scdc->scrambling.supported = true;
- /* Few sinks support scrambling for cloks < 340M */
+ /* Few sinks support scrambling for clocks < 340M */
if ((hf_vsdb[6] & 0x8))
scdc->scrambling.low_rates = true;
}
@@ -5222,6 +5395,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
const struct drm_display_mode *mode)
{
enum hdmi_picture_aspect picture_aspect;
+ u8 vic, hdmi_vic;
int err;
if (!frame || !mode)
@@ -5234,7 +5408,8 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
if (mode->flags & DRM_MODE_FLAG_DBLCLK)
frame->pixel_repeat = 1;
- frame->video_code = drm_mode_cea_vic(connector, mode);
+ vic = drm_mode_cea_vic(connector, mode);
+ hdmi_vic = drm_mode_hdmi_vic(connector, mode);
frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
@@ -5248,11 +5423,15 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
/*
* Populate picture aspect ratio from either
- * user input (if specified) or from the CEA mode list.
+ * user input (if specified) or from the CEA/HDMI mode lists.
*/
picture_aspect = mode->picture_aspect_ratio;
- if (picture_aspect == HDMI_PICTURE_ASPECT_NONE)
- picture_aspect = drm_get_cea_aspect_ratio(frame->video_code);
+ if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
+ if (vic)
+ picture_aspect = drm_get_cea_aspect_ratio(vic);
+ else if (hdmi_vic)
+ picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
+ }
/*
* The infoframe can't convey anything but none, 4:3
@@ -5260,12 +5439,20 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
* we can only satisfy it by specifying the right VIC.
*/
if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
- if (picture_aspect !=
- drm_get_cea_aspect_ratio(frame->video_code))
+ if (vic) {
+ if (picture_aspect != drm_get_cea_aspect_ratio(vic))
+ return -EINVAL;
+ } else if (hdmi_vic) {
+ if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
+ return -EINVAL;
+ } else {
return -EINVAL;
+ }
+
picture_aspect = HDMI_PICTURE_ASPECT_NONE;
}
+ frame->video_code = vic;
frame->picture_aspect = picture_aspect;
frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-29 03:44:00 +0000