| Message ID | 20220301050141.12203-1-shawn.c.lee@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915: add more TMDS clock rate supported by HDMI driver | expand |
On Tue, Mar 01, 2022 at 01:01:41PM +0800, Lee Shawn C wrote: > VBT 249 update to support more TMDS clock rate 3.00G, 3.40G > and 5.94G. Refer to this new definition to configure max > TMDS clock rate for HDMI driver. The patch itself looks fine. The patch subject is pretty much incomprehensible to me. > > BSpec: 20124 > > Cc: Jani Nikula <jani.nikula@linux.intel.com> > Cc: Ville Syrjala <ville.syrjala@linux.intel.com> > Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> > Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com> > --- > drivers/gpu/drm/i915/display/intel_bios.c | 6 ++++++ > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 +++ > 2 files changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c > index 40b5e7ed12c2..a559a1914588 100644 > --- a/drivers/gpu/drm/i915/display/intel_bios.c > +++ b/drivers/gpu/drm/i915/display/intel_bios.c > @@ -1955,6 +1955,12 @@ static int _intel_bios_max_tmds_clock(const struct intel_bios_encoder_data *devd > fallthrough; > case HDMI_MAX_DATA_RATE_PLATFORM: > return 0; > + case HDMI_MAX_DATA_RATE_594: > + return 594000; > + case HDMI_MAX_DATA_RATE_340: > + return 340000; > + case HDMI_MAX_DATA_RATE_300: > + return 300000; > case HDMI_MAX_DATA_RATE_297: > return 297000; > case HDMI_MAX_DATA_RATE_165: > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > index b9397d9363c5..e0508990df48 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -289,6 +289,9 @@ struct bdb_general_features { > #define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204 */ > #define HDMI_MAX_DATA_RATE_297 1 /* 204 */ > #define HDMI_MAX_DATA_RATE_165 2 /* 204 */ > +#define HDMI_MAX_DATA_RATE_594 3 /* 249 */ > +#define HDMI_MAX_DATA_RATE_340 4 /* 249 */ > +#define HDMI_MAX_DATA_RATE_300 5 /* 249 */ > > #define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33 > > -- > 2.17.1
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 40b5e7ed12c2..a559a1914588 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1955,6 +1955,12 @@ static int _intel_bios_max_tmds_clock(const struct intel_bios_encoder_data *devd fallthrough; case HDMI_MAX_DATA_RATE_PLATFORM: return 0; + case HDMI_MAX_DATA_RATE_594: + return 594000; + case HDMI_MAX_DATA_RATE_340: + return 340000; + case HDMI_MAX_DATA_RATE_300: + return 300000; case HDMI_MAX_DATA_RATE_297: return 297000; case HDMI_MAX_DATA_RATE_165: diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index b9397d9363c5..e0508990df48 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -289,6 +289,9 @@ struct bdb_general_features { #define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204 */ #define HDMI_MAX_DATA_RATE_297 1 /* 204 */ #define HDMI_MAX_DATA_RATE_165 2 /* 204 */ +#define HDMI_MAX_DATA_RATE_594 3 /* 249 */ +#define HDMI_MAX_DATA_RATE_340 4 /* 249 */ +#define HDMI_MAX_DATA_RATE_300 5 /* 249 */ #define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
VBT 249 update to support more TMDS clock rate 3.00G, 3.40G and 5.94G. Refer to this new definition to configure max TMDS clock rate for HDMI driver. BSpec: 20124 Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com> --- drivers/gpu/drm/i915/display/intel_bios.c | 6 ++++++ drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 +++ 2 files changed, 9 insertions(+)