On Mon, Mar 28, 2022 at 05:34:32PM +0300, Jani Nikula wrote:
With this, the remaining non-const parts are the ones that actually modify the EDID, for example to fix corrupt EDID.
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 | 21 +++++++++++---------- include/drm/drm_edid.h | 10 +++++----- 2 files changed, 16 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 625fa6a4a93a..d1abaa517867 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2150,7 +2150,7 @@ static u32 edid_extract_panel_id(const struct edid *edid)
u32 drm_edid_get_panel_id(struct i2c_adapter *adapter) {
- struct edid *edid;
const struct edid *edid; u32 panel_id;
edid = drm_do_get_edid_base_block(NULL, drm_do_probe_ddc_edid, adapter);
@@ -3664,7 +3664,7 @@ static bool drm_valid_hdmi_vic(u8 vic) }
static int -add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid) +add_alternate_cea_modes(struct drm_connector *connector, const struct edid *edid) { struct drm_device *dev = connector->dev; struct drm_display_mode *mode, *tmp; @@ -4345,7 +4345,7 @@ static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector, }
static int -add_cea_modes(struct drm_connector *connector, struct edid *edid) +add_cea_modes(struct drm_connector *connector, const struct edid *edid) { const u8 *cea = drm_find_cea_extension(edid); const u8 *db, *hdmi = NULL, *video = NULL; @@ -4551,7 +4551,7 @@ static int get_monitor_name(const struct edid *edid, char name[13])
- @bufsize: The size of the name buffer (should be at least 14 chars.)
*/ -void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize) +void drm_edid_get_monitor_name(const struct edid *edid, char *name, int bufsize) { int name_length; char buf[13]; @@ -4585,7 +4585,8 @@ static void clear_eld(struct drm_connector *connector)
- Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
- HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
*/ -static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) +static void drm_edid_to_eld(struct drm_connector *connector,
const struct edid *edid){ uint8_t *eld = connector->eld; const u8 *cea; @@ -4681,7 +4682,7 @@ static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
- Return: The number of found SADs or negative number on error.
*/ -int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads) +int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads) { int count = 0; int i, start, end, dbl; @@ -4743,7 +4744,7 @@ EXPORT_SYMBOL(drm_edid_to_sad);
- Return: The number of found Speaker Allocation Blocks or negative number on
- error.
*/ -int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) +int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb) { int count = 0; int i, start, end, dbl; @@ -4838,7 +4839,7 @@ EXPORT_SYMBOL(drm_av_sync_delay);
- Return: True if the monitor is HDMI, false if not or unknown.
*/ -bool drm_detect_hdmi_monitor(struct edid *edid) +bool drm_detect_hdmi_monitor(const struct edid *edid) { const u8 *edid_ext; int i; @@ -4876,7 +4877,7 @@ EXPORT_SYMBOL(drm_detect_hdmi_monitor);
- Return: True if the monitor supports audio, false otherwise.
*/ -bool drm_detect_monitor_audio(struct edid *edid) +bool drm_detect_monitor_audio(const struct edid *edid) { const u8 *edid_ext; int i, j; @@ -5543,7 +5544,7 @@ static int add_displayid_detailed_1_modes(struct drm_connector *connector, }
static int add_displayid_detailed_modes(struct drm_connector *connector,
struct edid *edid)
const struct edid *edid){ const struct displayid_block *block; struct displayid_iter iter; diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 144c495b99c4..48b1bf9c315a 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -372,8 +372,8 @@ struct drm_connector; struct drm_connector_state; struct drm_display_mode;
-int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads); -int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb); +int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads); +int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb); int drm_av_sync_delay(struct drm_connector *connector, const struct drm_display_mode *mode);
@@ -569,8 +569,8 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); int drm_add_override_edid_modes(struct drm_connector *connector);
u8 drm_match_cea_mode(const struct drm_display_mode *to_match); -bool drm_detect_hdmi_monitor(struct edid *edid); -bool drm_detect_monitor_audio(struct edid *edid); +bool drm_detect_hdmi_monitor(const struct edid *edid); +bool drm_detect_monitor_audio(const struct edid *edid); enum hdmi_quantization_range drm_default_rgb_quant_range(const struct drm_display_mode *mode); int drm_add_modes_noedid(struct drm_connector *connector, @@ -582,7 +582,7 @@ int drm_edid_header_is_valid(const u8 *raw_edid); bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, bool *edid_corrupt); bool drm_edid_is_valid(struct edid *edid); -void drm_edid_get_monitor_name(struct edid *edid, char *name, +void drm_edid_get_monitor_name(const struct edid *edid, char *name, int buflen); struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, int hsize, int vsize, int fresh, -- 2.30.2