diff mbox series

[v3,19/25] drm/i915/dp_mst: Program the DSC PPS SDP for each stream

Message ID 20230914192659.757475-20-imre.deak@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915: Improve BW management on shared display links | expand

Commit Message

Imre Deak Sept. 14, 2023, 7:26 p.m. UTC
Atm the DSC PPS SDP is programmed only if the first stream is compressed
and then it's programmed only for the first stream. This left all other
compressed streams blank. Program the SDP for all streams.

Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi.c    | 12 +++++++-----
 drivers/gpu/drm/i915/display/intel_dp_mst.c |  2 ++
 2 files changed, 9 insertions(+), 5 deletions(-)

Comments

Stanislav Lisovskiy Sept. 25, 2023, 8 a.m. UTC | #1
On Thu, Sep 14, 2023 at 10:26:53PM +0300, Imre Deak wrote:
> Atm the DSC PPS SDP is programmed only if the first stream is compressed
> and then it's programmed only for the first stream. This left all other
> compressed streams blank. Program the SDP for all streams.
> 
> Signed-off-by: Imre Deak <imre.deak@intel.com>

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c    | 12 +++++++-----
>  drivers/gpu/drm/i915/display/intel_dp_mst.c |  2 ++
>  2 files changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index 45db6349af94f..962c9c7c211ce 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -2505,7 +2505,8 @@ static void mtl_ddi_pre_enable_dp(struct intel_atomic_state *state,
>  	/* 6.o Configure and enable FEC if needed */
>  	intel_ddi_enable_fec(encoder, crtc_state);
>  
> -	intel_dsc_dp_pps_write(encoder, crtc_state);
> +	if (!is_mst)
> +		intel_dsc_dp_pps_write(encoder, crtc_state);
>  }
>  
>  static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
> @@ -2643,7 +2644,8 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
>  	/* 7.l Configure and enable FEC if needed */
>  	intel_ddi_enable_fec(encoder, crtc_state);
>  
> -	intel_dsc_dp_pps_write(encoder, crtc_state);
> +	if (!is_mst)
> +		intel_dsc_dp_pps_write(encoder, crtc_state);
>  }
>  
>  static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
> @@ -2705,10 +2707,10 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
>  
>  	intel_ddi_enable_fec(encoder, crtc_state);
>  
> -	if (!is_mst)
> +	if (!is_mst) {
>  		intel_ddi_enable_transcoder_clock(encoder, crtc_state);
> -
> -	intel_dsc_dp_pps_write(encoder, crtc_state);
> +		intel_dsc_dp_pps_write(encoder, crtc_state);
> +	}
>  }
>  
>  static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index 832e8b0e87e84..19548242fa0f2 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -43,6 +43,7 @@
>  #include "intel_dpio_phy.h"
>  #include "intel_hdcp.h"
>  #include "intel_hotplug.h"
> +#include "intel_vdsc.h"
>  #include "skl_scaler.h"
>  
>  static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp,
> @@ -775,6 +776,7 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
>  	if (DISPLAY_VER(dev_priv) < 12 || !first_mst_stream)
>  		intel_ddi_enable_transcoder_clock(encoder, pipe_config);
>  
> +	intel_dsc_dp_pps_write(&dig_port->base, pipe_config);
>  	intel_ddi_set_dp_msa(pipe_config, conn_state);
>  }
>  
> -- 
> 2.37.2
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 45db6349af94f..962c9c7c211ce 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2505,7 +2505,8 @@  static void mtl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	/* 6.o Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	intel_dsc_dp_pps_write(encoder, crtc_state);
+	if (!is_mst)
+		intel_dsc_dp_pps_write(encoder, crtc_state);
 }
 
 static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2643,7 +2644,8 @@  static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	/* 7.l Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	intel_dsc_dp_pps_write(encoder, crtc_state);
+	if (!is_mst)
+		intel_dsc_dp_pps_write(encoder, crtc_state);
 }
 
 static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2705,10 +2707,10 @@  static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
 
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	if (!is_mst)
+	if (!is_mst) {
 		intel_ddi_enable_transcoder_clock(encoder, crtc_state);
-
-	intel_dsc_dp_pps_write(encoder, crtc_state);
+		intel_dsc_dp_pps_write(encoder, crtc_state);
+	}
 }
 
 static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 832e8b0e87e84..19548242fa0f2 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -43,6 +43,7 @@ 
 #include "intel_dpio_phy.h"
 #include "intel_hdcp.h"
 #include "intel_hotplug.h"
+#include "intel_vdsc.h"
 #include "skl_scaler.h"
 
 static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp,
@@ -775,6 +776,7 @@  static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
 	if (DISPLAY_VER(dev_priv) < 12 || !first_mst_stream)
 		intel_ddi_enable_transcoder_clock(encoder, pipe_config);
 
+	intel_dsc_dp_pps_write(&dig_port->base, pipe_config);
 	intel_ddi_set_dp_msa(pipe_config, conn_state);
 }