[Intel-gfx] [PATCH] drm: Adding edp1.4 specific dpcd macros
Jani Nikula
jani.nikula at linux.intel.com
Fri Feb 20 00:25:13 PST 2015
On Thu, 19 Feb 2015, Todd Previte <tprevite at gmail.com> wrote:
> Just some formatting issues that need to be cleaned up. Otherwise the
> definitions look correct according to the eDP 1.4 spec.
Actually the formatting seems to be in line with the rest of that
particular file.
BR,
Jani.
>
> -T
>
> On 2/19/15 12:46 AM, Sonika Jindal wrote:
>> Adding dpcd macros related to edp1.4 and link rates
>>
>> v2: Added DP_SUPPORTED_LINK_RATES macros
>>
>> Signed-off-by: Sonika Jindal <sonika.jindal at intel.com>
>> ---
>> include/drm/drm_dp_helper.h | 8 ++++++++
>> 1 file changed, 8 insertions(+)
>>
>> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
>> index 11f8c84..77a55e2 100644
>> --- a/include/drm/drm_dp_helper.h
>> +++ b/include/drm/drm_dp_helper.h
>> @@ -92,6 +92,9 @@
>> # define DP_MSA_TIMING_PAR_IGNORED (1 << 6) /* eDP */
>> # define DP_OUI_SUPPORT (1 << 7)
>>
>> +#define DP_SUPPORTED_LINK_RATES 0x010 /*eDP 1.4*/
>> +#define DP_MAX_SUPPORTED_RATES 0x8
>> +
> Extra blank line
>> #define DP_I2C_SPEED_CAP 0x00c /* DPI */
>> # define DP_I2C_SPEED_1K 0x01
>> # define DP_I2C_SPEED_5K 0x02
>> @@ -101,6 +104,7 @@
>> # define DP_I2C_SPEED_1M 0x20
>>
>> #define DP_EDP_CONFIGURATION_CAP 0x00d /* XXX 1.2? */
>> +# define DP_DPCD_DISPLAY_CONTROL_CAPABLE (1 << 3) /* edp v1.2 or higher */
> Remove the space between # and define.
>> #define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
>>
>> /* Multiple stream transport */
>> @@ -221,6 +225,8 @@
>> # define DP_UP_REQ_EN (1 << 1)
>> # define DP_UPSTREAM_IS_SRC (1 << 2)
>>
>> +#define DP_LINK_RATE_SET 0x115
>> +
> Extra blank line
>> #define DP_PSR_EN_CFG 0x170 /* XXX 1.2? */
>> # define DP_PSR_ENABLE (1 << 0)
>> # define DP_PSR_MAIN_LINK_ACTIVE (1 << 1)
>> @@ -332,6 +338,8 @@
>> # define DP_SET_POWER_D3 0x2
>> # define DP_SET_POWER_MASK 0x3
>>
>> +#define DP_EDP_DPCD_REV 0x700
>> +
> Extra blank line
>> #define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */
>> #define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */
>> #define DP_SIDEBAND_MSG_DOWN_REP_BASE 0x1400 /* 1.2 MST */
>
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--
Jani Nikula, Intel Open Source Technology Center
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