* [PATCH] drm: Add PSR version 3 macro
@ 2018-03-17 1:38 José Roberto de Souza
2018-03-19 8:15 ` Jani Nikula
0 siblings, 1 reply; 2+ messages in thread
From: José Roberto de Souza @ 2018-03-17 1:38 UTC (permalink / raw)
To: dri-devel; +Cc: José Roberto de Souza
eDP 1.4a specification defines PSR version 3, it PSR2 with the
addition of Y-coordinate support when doing selective update.
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
include/drm/drm_dp_helper.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 4de97e94ef9d..62903bae0221 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -288,6 +288,7 @@
#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
# define DP_PSR_IS_SUPPORTED 1
# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
+# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */
#define DP_PSR_CAPS 0x071 /* XXX 1.2? */
# define DP_PSR_NO_TRAIN_ON_EXIT 1
--
2.16.2
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm: Add PSR version 3 macro
2018-03-17 1:38 [PATCH] drm: Add PSR version 3 macro José Roberto de Souza
@ 2018-03-19 8:15 ` Jani Nikula
0 siblings, 0 replies; 2+ messages in thread
From: Jani Nikula @ 2018-03-19 8:15 UTC (permalink / raw)
To: dri-devel; +Cc: José Roberto de Souza
On Fri, 16 Mar 2018, José Roberto de Souza <jose.souza@intel.com> wrote:
> eDP 1.4a specification defines PSR version 3, it PSR2 with the
> addition of Y-coordinate support when doing selective update.
>
> Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
> ---
> include/drm/drm_dp_helper.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index 4de97e94ef9d..62903bae0221 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -288,6 +288,7 @@
> #define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
> # define DP_PSR_IS_SUPPORTED 1
> # define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
> +# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */
I wish the spec would give us sensible names to work with... We can't
call it PSR3, so we might as well go with this.
Pushed to drm-misc-next, thanks for the patch.
BR,
Jani.
>
> #define DP_PSR_CAPS 0x071 /* XXX 1.2? */
> # define DP_PSR_NO_TRAIN_ON_EXIT 1
--
Jani Nikula, Intel Open Source Technology Center
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