[Intel-gfx] [PATCH 04/11] drm/edid: Define more flags

Ville Syrjala
2022-08-26T21:35:49Z

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Replace a bunch of hex constants with proper definitions.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/drm_edid.c | 18 +++++++++---------
include/drm/drm_edid.h | 14 +++++++++-----
2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 4355d73632c3..856d304a1354 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2984,7 +2984,7 @@ is_rb(const struct detailed_timing *descriptor, void *data)
BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.cvt.flags) != 15);

if (descriptor->data.other_data.data.range.flags == DRM_EDID_CVT_SUPPORT_FLAG &&
- descriptor->data.other_data.data.range.formula.cvt.flags & 0x10)
+ descriptor->data.other_data.data.range.formula.cvt.flags & DRM_EDID_CVT_FLAGS_REDUCED_BLANKING)
*res = true;
}

@@ -3012,7 +3012,7 @@ find_gtf2(const struct detailed_timing *descriptor, void *data)

BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);

- if (descriptor->data.other_data.data.range.flags == 0x02)
+ if (descriptor->data.other_data.data.range.flags == DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG)
*res = descriptor;
}

@@ -3415,7 +3415,7 @@ range_pixel_clock(const struct edid *edid, const u8 *t)
return 0;

/* 1.4 with CVT support gives us real precision, yay */
- if (edid->revision >= 4 && t[10] == 0x04)
+ if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
return (t[9] * 10000) - ((t[12] >> 2) * 250);

/* 1.3 is pathetic, so fuzz up a bit */
@@ -3441,7 +3441,7 @@ static bool mode_in_range(const struct drm_display_mode *mode,
return false;

/* 1.4 max horizontal check */
- if (edid->revision >= 4 && t[10] == 0x04)
+ if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
return false;

@@ -3581,13 +3581,13 @@ do_inferred_modes(const struct detailed_timing *timing, void *c)
return; /* GTF not defined yet */

switch (range->flags) {
- case 0x02: /* secondary gtf, XXX could do more */
- case 0x00: /* default gtf */
+ case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG: /* XXX could do more */
+ case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
closure->modes += drm_gtf_modes_for_range(closure->connector,
closure->drm_edid,
timing);
break;
- case 0x04: /* cvt, only in 1.4+ */
+ case DRM_EDID_CVT_SUPPORT_FLAG:
if (!version_greater(closure->drm_edid, 1, 3))
break;

@@ -3595,7 +3595,7 @@ do_inferred_modes(const struct detailed_timing *timing, void *c)
closure->drm_edid,
timing);
break;
- case 0x01: /* just the ranges, no formula */
+ case DRM_EDID_RANGE_LIMITS_ONLY_FLAG:
default:
break;
}
@@ -6393,7 +6393,7 @@ static int _drm_edid_connector_update(struct drm_connector *connector,
num_modes += add_cea_modes(connector, drm_edid);
num_modes += add_alternate_cea_modes(connector, drm_edid);
num_modes += add_displayid_detailed_modes(connector, drm_edid);
- if (drm_edid->edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
+ if (drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ)
num_modes += add_inferred_modes(connector, drm_edid);

if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 1ed61e2b30a4..429735b91f63 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -97,10 +97,13 @@ struct detailed_data_string {
#define DRM_EDID_RANGE_OFFSET_MIN_HFREQ (1 << 2) /* 1.4 */
#define DRM_EDID_RANGE_OFFSET_MAX_HFREQ (1 << 3) /* 1.4 */

-#define DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG 0x00
-#define DRM_EDID_RANGE_LIMITS_ONLY_FLAG 0x01
-#define DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG 0x02
-#define DRM_EDID_CVT_SUPPORT_FLAG 0x04
+#define DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG 0x00 /* 1.3 */
+#define DRM_EDID_RANGE_LIMITS_ONLY_FLAG 0x01 /* 1.4 */
+#define DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG 0x02 /* 1.3 */
+#define DRM_EDID_CVT_SUPPORT_FLAG 0x04 /* 1.4 */
+
+#define DRM_EDID_CVT_FLAGS_STANDARD_BLANKING (1 << 3)
+#define DRM_EDID_CVT_FLAGS_REDUCED_BLANKING (1 << 4)

struct detailed_data_monitor_range {
u8 min_vfreq;
@@ -206,7 +209,8 @@ struct detailed_timing {
#define DRM_EDID_DIGITAL_TYPE_DP (5 << 0) /* 1.4 */
#define DRM_EDID_DIGITAL_DFP_1_X (1 << 0) /* 1.3 */

-#define DRM_EDID_FEATURE_DEFAULT_GTF (1 << 0)
+#define DRM_EDID_FEATURE_DEFAULT_GTF (1 << 0) /* 1.2 */
+#define DRM_EDID_FEATURE_CONTINUOUS_FREQ (1 << 0) /* 1.4 */
#define DRM_EDID_FEATURE_PREFERRED_TIMING (1 << 1)
#define DRM_EDID_FEATURE_STANDARD_COLOR (1 << 2)
/* If analog */
--
2.35.1