From: David Weinehall <david.weinehall@linux.intel.com>
To: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: intel-gfx@lists.freedesktop.org, Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: Re: [PATCH 3/9] drm/i915/psr: Extract PSR DPCD initialization and move it to intel_psr.c
Date: Wed, 31 Jan 2018 12:38:24 +0200 [thread overview]
Message-ID: <20180131103824.GF13657@boom> (raw)
In-Reply-To: <20180127024923.3093-3-dhinakaran.pandiyan@intel.com>
On Fri, Jan 26, 2018 at 06:49:17PM -0800, Dhinakaran Pandiyan wrote:
> intel_edp_init_dpcd() is cluttered with PSR specific DPCD checks and
> intel_dp.c is huge.
Yes please! Good idea.
> No functional change intended.
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> ---
> drivers/gpu/drm/i915/intel_dp.c | 64 +------------------------------------
> drivers/gpu/drm/i915/intel_drv.h | 1 +
> drivers/gpu/drm/i915/intel_psr.c | 68 ++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 70 insertions(+), 63 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index a2e887999915..2454326690fb 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -3135,35 +3135,6 @@ intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_
> DP_LINK_STATUS_SIZE) == DP_LINK_STATUS_SIZE;
> }
>
> -static bool intel_dp_get_y_cord_status(struct intel_dp *intel_dp)
> -{
> - uint8_t psr_caps = 0;
> -
> - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_CAPS, &psr_caps) != 1)
> - return false;
> - return psr_caps & DP_PSR2_SU_Y_COORDINATE_REQUIRED;
> -}
> -
> -static bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)
> -{
> - uint8_t dprx = 0;
> -
> - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_DPRX_FEATURE_ENUMERATION_LIST,
> - &dprx) != 1)
> - return false;
> - return dprx & DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED;
> -}
> -
> -static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp)
> -{
> - uint8_t alpm_caps = 0;
> -
> - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,
> - &alpm_caps) != 1)
> - return false;
> - return alpm_caps & DP_ALPM_CAP;
> -}
> -
> /* These are source-specific values. */
> uint8_t
> intel_dp_voltage_max(struct intel_dp *intel_dp)
> @@ -3714,40 +3685,7 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp)
> dev_priv->no_aux_handshake = intel_dp->dpcd[DP_MAX_DOWNSPREAD] &
> DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
>
> - /* Check if the panel supports PSR */
> - drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT,
> - intel_dp->psr_dpcd,
> - sizeof(intel_dp->psr_dpcd));
> - if (intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED) {
> - dev_priv->psr.sink_support = true;
> - DRM_DEBUG_KMS("Detected EDP PSR Panel.\n");
> - }
> -
> - if (INTEL_GEN(dev_priv) >= 9 &&
> - (intel_dp->psr_dpcd[0] & DP_PSR2_IS_SUPPORTED)) {
> - uint8_t frame_sync_cap;
> -
> - dev_priv->psr.sink_support = true;
> - if (drm_dp_dpcd_readb(&intel_dp->aux,
> - DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP,
> - &frame_sync_cap) != 1)
> - frame_sync_cap = 0;
> - dev_priv->psr.aux_frame_sync = frame_sync_cap ? true : false;
> - /* PSR2 needs frame sync as well */
> - dev_priv->psr.psr2_support = dev_priv->psr.aux_frame_sync;
> - DRM_DEBUG_KMS("PSR2 %s on sink",
> - dev_priv->psr.psr2_support ? "supported" : "not supported");
> -
> - if (dev_priv->psr.psr2_support) {
> - dev_priv->psr.y_cord_support =
> - intel_dp_get_y_cord_status(intel_dp);
> - dev_priv->psr.colorimetry_support =
> - intel_dp_get_colorimetry_status(intel_dp);
> - dev_priv->psr.alpm =
> - intel_dp_get_alpm_status(intel_dp);
> - }
> -
> - }
> + intel_psr_init_dpcd(intel_dp);
>
> /*
> * Read the eDP display control registers.
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 3cee54bc0352..a340bc04dad8 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1851,6 +1851,7 @@ bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port);
>
> /* intel_psr.c */
> #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
> +void intel_psr_init_dpcd(struct intel_dp *intel_dp);
> void intel_psr_enable(struct intel_dp *intel_dp,
> const struct intel_crtc_state *crtc_state);
> void intel_psr_disable(struct intel_dp *intel_dp,
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index c12af1118647..a1b878449e83 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -56,6 +56,74 @@
> #include "intel_drv.h"
> #include "i915_drv.h"
>
> +static bool intel_dp_get_y_cord_status(struct intel_dp *intel_dp)
> +{
> + uint8_t psr_caps = 0;
> +
> + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_CAPS, &psr_caps) != 1)
> + return false;
> + return psr_caps & DP_PSR2_SU_Y_COORDINATE_REQUIRED;
> +}
> +
> +static bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)
> +{
> + uint8_t dprx = 0;
> +
> + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_DPRX_FEATURE_ENUMERATION_LIST,
> + &dprx) != 1)
> + return false;
> + return dprx & DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED;
> +}
> +
> +static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp)
> +{
> + uint8_t alpm_caps = 0;
> +
> + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,
> + &alpm_caps) != 1)
> + return false;
> + return alpm_caps & DP_ALPM_CAP;
> +}
> +
> +void intel_psr_init_dpcd(struct intel_dp *intel_dp)
> +{
> + struct drm_i915_private *dev_priv =
> + to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
> +
> + drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
> + sizeof(intel_dp->psr_dpcd));
> +
> + if (intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED) {
> + dev_priv->psr.sink_support = true;
> + DRM_DEBUG_KMS("Detected EDP PSR Panel.\n");
> + }
> +
> + if (INTEL_GEN(dev_priv) >= 9 &&
> + (intel_dp->psr_dpcd[0] & DP_PSR2_IS_SUPPORTED)) {
> + uint8_t frame_sync_cap;
> +
> + dev_priv->psr.sink_support = true;
> + if (drm_dp_dpcd_readb(&intel_dp->aux,
> + DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP,
> + &frame_sync_cap) != 1)
> + frame_sync_cap = 0;
> + dev_priv->psr.aux_frame_sync = frame_sync_cap ? true : false;
> + /* PSR2 needs frame sync as well */
> + dev_priv->psr.psr2_support = dev_priv->psr.aux_frame_sync;
> + DRM_DEBUG_KMS("PSR2 %s on sink",
> + dev_priv->psr.psr2_support ? "supported" : "not supported");
> +
> + if (dev_priv->psr.psr2_support) {
> + dev_priv->psr.y_cord_support =
> + intel_dp_get_y_cord_status(intel_dp);
> + dev_priv->psr.colorimetry_support =
> + intel_dp_get_colorimetry_status(intel_dp);
> + dev_priv->psr.alpm =
> + intel_dp_get_alpm_status(intel_dp);
> + }
> + }
> +}
> +
> static bool vlv_is_psr_active_on_pipe(struct drm_device *dev, int pipe)
> {
> struct drm_i915_private *dev_priv = to_i915(dev);
> --
> 2.14.1
>
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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next prev parent reply other threads:[~2018-01-31 10:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-27 2:49 [PATCH 1/9] drm/i915/psr: Do not activate PSR on frontbuffer flush from fbdev Dhinakaran Pandiyan
2018-01-27 2:49 ` [PATCH 2/9] drm/i915/frontbuffer: Mark frontbuffer flush and invalidate with might_sleep() Dhinakaran Pandiyan
2018-02-01 6:42 ` Rodrigo Vivi
2018-01-27 2:49 ` [PATCH 3/9] drm/i915/psr: Extract PSR DPCD initialization and move it to intel_psr.c Dhinakaran Pandiyan
2018-01-31 10:38 ` David Weinehall [this message]
2018-02-01 6:57 ` Rodrigo Vivi
2018-01-27 2:49 ` [PATCH 4/9] drm/i915/psr: Check for the specific AUX_FRAME_SYNC cap bit Dhinakaran Pandiyan
2018-02-01 6:48 ` Rodrigo Vivi
2018-02-05 19:47 ` Pandiyan, Dhinakaran
2018-01-27 2:49 ` [PATCH 5/9] drm/i915/psr: Inline psr2 caps checks Dhinakaran Pandiyan
2018-01-27 10:29 ` Jani Nikula
2018-01-27 2:49 ` [PATCH 6/9] drm/i915/dp: Remove redundant sleep after AUX transaction length check Dhinakaran Pandiyan
2018-01-31 10:40 ` David Weinehall
2018-01-27 2:49 ` [PATCH 7/9] drm/i915/dp: Move comment about hw timeout to the right place Dhinakaran Pandiyan
2018-01-31 10:38 ` David Weinehall
2018-01-27 2:49 ` [PATCH 8/9] drm/dp: Export AUX_RETRY_INTERVAL Dhinakaran Pandiyan
2018-02-01 7:04 ` [Intel-gfx] " Rodrigo Vivi
2018-01-27 2:49 ` [PATCH 9/9] drm/i915/dp: Use the same aux retry interval as the core Dhinakaran Pandiyan
2018-02-01 7:04 ` Rodrigo Vivi
2018-01-27 3:09 ` ✗ Fi.CI.BAT: failure for series starting with [1/9] drm/i915/psr: Do not activate PSR on frontbuffer flush from fbdev Patchwork
2018-02-01 6:56 ` [PATCH 1/9] " Rodrigo Vivi
2018-02-07 2:27 ` Pandiyan, Dhinakaran
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