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From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 08/14] drm/i915: Complete crtc hw/uapi split, v2.
Date: Wed, 23 Oct 2019 17:06:16 +0200	[thread overview]
Message-ID: <46ac6971-3936-b121-7723-ced1114e5cda@linux.intel.com> (raw)
In-Reply-To: <20191022183238.GS1208@intel.com>

Op 22-10-2019 om 20:32 schreef Ville Syrjälä:
> On Thu, Oct 17, 2019 at 03:20:59PM +0200, Maarten Lankhorst wrote:
>> Now that we separated everything into uapi and hw, it's
>> time to make the split definitive. Remove the union and
>> make a copy of the hw state on modeset and fastset.
>>
>> Color blobs are copied in crtc atomic_check(), right
>> before color management is checked.
>>
>> Changes since v1:
>> - Copy all blobs immediately after drm_atomic_helper_check_modeset().
>> - Clear crtc_state->hw on disable, instead of using clear_intel_crtc_state().
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> ---
>>  drivers/gpu/drm/i915/display/intel_atomic.c   | 44 ++++++++++++++++++
>>  drivers/gpu/drm/i915/display/intel_atomic.h   |  2 +
>>  drivers/gpu/drm/i915/display/intel_display.c  | 45 ++++++++++++++++---
>>  .../drm/i915/display/intel_display_types.h    |  9 ++--
>>  4 files changed, 89 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
>> index 7cf13b9c7d38..266d0ce9d03d 100644
>> --- a/drivers/gpu/drm/i915/display/intel_atomic.c
>> +++ b/drivers/gpu/drm/i915/display/intel_atomic.c
>> @@ -195,6 +195,14 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
>>  
>>  	__drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->uapi);
>>  
>> +	/* copy color blobs */
>> +	if (crtc_state->hw.degamma_lut)
>> +		drm_property_blob_get(crtc_state->hw.degamma_lut);
>> +	if (crtc_state->hw.ctm)
>> +		drm_property_blob_get(crtc_state->hw.ctm);
>> +	if (crtc_state->hw.gamma_lut)
>> +		drm_property_blob_get(crtc_state->hw.gamma_lut);
>> +
>>  	crtc_state->update_pipe = false;
>>  	crtc_state->disable_lp_wm = false;
>>  	crtc_state->disable_cxsr = false;
>> @@ -208,6 +216,41 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
>>  	return &crtc_state->uapi;
>>  }
>>  
>> +static void intel_crtc_put_color_blobs(struct intel_crtc_state *crtc_state)
>> +{
>> +	drm_property_blob_put(crtc_state->hw.degamma_lut);
>> +	drm_property_blob_put(crtc_state->hw.gamma_lut);
>> +	drm_property_blob_put(crtc_state->hw.ctm);
>> +}
>> +
>> +void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state)
>> +{
>> +	intel_crtc_put_color_blobs(crtc_state);
>> +}
>> +
>> +void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state)
>> +{
>> +	intel_crtc_put_color_blobs(crtc_state);
>> +
>> +	if (crtc_state->uapi.degamma_lut)
>> +		crtc_state->hw.degamma_lut =
>> +			drm_property_blob_get(crtc_state->uapi.degamma_lut);
>> +	else
>> +		crtc_state->hw.degamma_lut = NULL;
> Side note: If drm_property_blob_get() would pass NULL through this kind
> of stuff would look a lot less annoying.
>
>> +
>> +	if (crtc_state->uapi.gamma_lut)
>> +		crtc_state->hw.gamma_lut =
>> +			drm_property_blob_get(crtc_state->uapi.gamma_lut);
>> +	else
>> +		crtc_state->hw.gamma_lut = NULL;
>> +
>> +	if (crtc_state->uapi.ctm)
>> +		crtc_state->hw.ctm =
>> +			drm_property_blob_get(crtc_state->uapi.ctm);
>> +	else
>> +		crtc_state->hw.ctm = NULL;
>> +}
>> +
>>  /**
>>   * intel_crtc_destroy_state - destroy crtc state
>>   * @crtc: drm crtc
>> @@ -223,6 +266,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
>>  	struct intel_crtc_state *crtc_state = to_intel_crtc_state(state);
>>  
>>  	__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
>> +	intel_crtc_free_hw_state(crtc_state);
>>  	kfree(crtc_state);
>>  }
>>  
>> diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h b/drivers/gpu/drm/i915/display/intel_atomic.h
>> index 58065d3161a3..42be91e0772a 100644
>> --- a/drivers/gpu/drm/i915/display/intel_atomic.h
>> +++ b/drivers/gpu/drm/i915/display/intel_atomic.h
>> @@ -35,6 +35,8 @@ intel_digital_connector_duplicate_state(struct drm_connector *connector);
>>  struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
>>  void intel_crtc_destroy_state(struct drm_crtc *crtc,
>>  			       struct drm_crtc_state *state);
>> +void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state);
>> +void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state);
>>  struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
>>  void intel_atomic_state_clear(struct drm_atomic_state *state);
>>  
>> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
>> index 06c593d56d92..c009489641bd 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display.c
>> +++ b/drivers/gpu/drm/i915/display/intel_display.c
>> @@ -114,6 +114,7 @@ static const u64 cursor_format_modifiers[] = {
>>  	DRM_FORMAT_MOD_INVALID
>>  };
>>  
>> +static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state);
>>  static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
>>  				struct intel_crtc_state *pipe_config);
>>  static void ironlake_pch_clock_get(struct intel_crtc *crtc,
>> @@ -7041,6 +7042,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
>>  	crtc->enabled = false;
>>  	crtc->state->connector_mask = 0;
>>  	crtc->state->encoder_mask = 0;
>> +	copy_uapi_to_hw_state(to_intel_crtc_state(crtc->state));
>>  
>>  	for_each_encoder_on_crtc(crtc->dev, crtc, encoder)
>>  		encoder->base.crtc = NULL;
>> @@ -12254,6 +12256,23 @@ static bool check_digital_port_conflicts(struct intel_atomic_state *state)
>>  	return ret;
>>  }
>>  
>> +static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state)
>> +{
>> +	crtc_state->hw.enable = crtc_state->uapi.enable;
>> +	crtc_state->hw.active = crtc_state->uapi.active;
>> +	crtc_state->hw.mode = crtc_state->uapi.mode;
>> +	crtc_state->hw.adjusted_mode = crtc_state->uapi.adjusted_mode;
>> +	intel_crtc_copy_color_blobs(crtc_state);
>> +}
>> +
>> +static void copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state)
>> +{
>> +	crtc_state->uapi.enable = crtc_state->hw.enable;
>> +	crtc_state->uapi.active = crtc_state->hw.active;
>> +	crtc_state->uapi.mode = crtc_state->hw.mode;
>> +	crtc_state->uapi.adjusted_mode = crtc_state->hw.adjusted_mode;
>> +}
>> +
>>  static int
>>  clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
>>  {
>> @@ -12270,6 +12289,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
>>  	 * fixed, so that the crtc_state can be safely duplicated. For now,
>>  	 * only fields that are know to not cause problems are preserved. */
>>  
>> +	saved_state->uapi = crtc_state->uapi;
>>  	saved_state->scaler_state = crtc_state->scaler_state;
>>  	saved_state->shared_dpll = crtc_state->shared_dpll;
>>  	saved_state->dpll_hw_state = crtc_state->dpll_hw_state;
>> @@ -12280,12 +12300,9 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
>>  	    IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
>>  		saved_state->wm = crtc_state->wm;
>>  
>> -	/* Keep base drm_crtc_state intact, only clear our extended struct */
>> -	BUILD_BUG_ON(offsetof(struct intel_crtc_state, base));
>> -	BUILD_BUG_ON(offsetof(struct intel_crtc_state, uapi));
>> -	BUILD_BUG_ON(offsetof(struct intel_crtc_state, hw));
>> -	memcpy(&crtc_state->uapi + 1, &saved_state->uapi + 1,
>> -	       sizeof(*crtc_state) - sizeof(crtc_state->uapi));
>> +	intel_crtc_free_hw_state(crtc_state);
>> +	memcpy(crtc_state, saved_state, sizeof(*crtc_state));
>> +	copy_uapi_to_hw_state(crtc_state);
> I still think this stuff is in the wrong place. IMO all the uapi->hw copy
> should happen in exactly one place (and that place I believe should be
> just after drm_atomic_helper_check_modeset()). The patch changelog
> seemed to imply that was what were going for but the code doesn't appear
> to agree.
Yeah I will just make a single function on top of there.
>
>>  
>>  	kfree(saved_state);
>>  	return 0;
>> @@ -12425,6 +12442,9 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config)
>>  	DRM_DEBUG_KMS("hw max bpp: %i, pipe bpp: %i, dithering: %i\n",
>>  		      base_bpp, pipe_config->pipe_bpp, pipe_config->dither);
>>  
>> +	/* uapi wants a copy of the adjusted_mode for vblank bookkeeping */
>> +	pipe_config->uapi.adjusted_mode = pipe_config->hw.adjusted_mode;
> This should no longer be needed?
Yeah, think so. One way to find out. :)
>
>> +
>>  	return 0;
>>  }
>>  
>> @@ -13110,6 +13130,8 @@ verify_crtc_state(struct intel_crtc *crtc,
>>  
>>  	state = old_crtc_state->uapi.state;
>>  	__drm_atomic_helper_crtc_destroy_state(&old_crtc_state->uapi);
>> +	intel_crtc_free_hw_state(old_crtc_state);
>> +
>>  	pipe_config = old_crtc_state;
>>  	memset(pipe_config, 0, sizeof(*pipe_config));
>>  	pipe_config->uapi.crtc = &crtc->base;
>> @@ -13572,11 +13594,17 @@ static int intel_atomic_check(struct drm_device *dev,
>>  
>>  	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
>>  					    new_crtc_state, i) {
>> -		if (!needs_modeset(new_crtc_state))
>> +		if (!needs_modeset(new_crtc_state)) {
>> +			if (new_crtc_state->uapi.color_mgmt_changed)
>> +				intel_crtc_copy_color_blobs(new_crtc_state);
>>  			continue;
>> +		}
>>  
>>  		if (!new_crtc_state->uapi.enable) {
>>  			any_ms = true;
>> +			intel_crtc_free_hw_state(new_crtc_state);
>> +			memset(&new_crtc_state->hw, 0,
>> +			       sizeof(new_crtc_state->hw));
>>  			continue;
>>  		}
>>  
>> @@ -16662,6 +16690,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>>  			to_intel_crtc_state(crtc->base.state);
>>  
>>  		__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
>> +		intel_crtc_free_hw_state(crtc_state);
>>  		memset(crtc_state, 0, sizeof(*crtc_state));
>>  		__drm_atomic_helper_crtc_reset(&crtc->base, &crtc_state->uapi);
>>  
>> @@ -16790,6 +16819,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>>  			 * set a flag to indicate that a full recalculation is
>>  			 * needed on the next commit.
>>  			 */
>> +			crtc_state->hw.mode = crtc->base.mode;
>>  			crtc_state->hw.mode.private_flags = I915_MODE_FLAG_INHERITED;
>>  
>>  			intel_crtc_compute_pixel_rate(crtc_state);
>> @@ -16820,6 +16850,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>>  
>>  		intel_bw_crtc_update(bw_state, crtc_state);
>>  
>> +		copy_hw_to_uapi_state(crtc_state);
>>  		intel_pipe_config_sanity_check(dev_priv, crtc_state);
>>  	}
>>  }
>> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
>> index 4d85ea5832d7..41d471ab9a64 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
>> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
>> @@ -749,8 +749,6 @@ enum intel_output_format {
>>  };
>>  
>>  struct intel_crtc_state {
>> -	union {
>> -	struct drm_crtc_state base;
>>  	/*
>>  	 * uapi (drm) state. This is the software state shown to userspace.
>>  	 * In particular, the following members are used for bookkeeping:
>> @@ -773,8 +771,11 @@ struct intel_crtc_state {
>>  	 *
>>  	 * During initial hw readout, they need to be copied to uapi.
>>  	 */
>> -	struct drm_crtc_state hw;
>> -	};
>> +	struct {
>> +		bool active, enable;
>> +		struct drm_property_blob *degamma_lut, *gamma_lut, *ctm;
>> +		struct drm_display_mode mode, adjusted_mode;
>> +	} hw;
>>  
>>  	/**
>>  	 * quirks - bitfield with hw state readout quirks
>> -- 
>> 2.23.0
>>
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx


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WARNING: multiple messages have this Message-ID (diff)
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 08/14] drm/i915: Complete crtc hw/uapi split, v2.
Date: Wed, 23 Oct 2019 17:06:16 +0200	[thread overview]
Message-ID: <46ac6971-3936-b121-7723-ced1114e5cda@linux.intel.com> (raw)
Message-ID: <20191023150616.8mdlhuuP2PmrNVchEF9BjqV3Qt_QBj73TFBUX5rk6E4@z> (raw)
In-Reply-To: <20191022183238.GS1208@intel.com>

Op 22-10-2019 om 20:32 schreef Ville Syrjälä:
> On Thu, Oct 17, 2019 at 03:20:59PM +0200, Maarten Lankhorst wrote:
>> Now that we separated everything into uapi and hw, it's
>> time to make the split definitive. Remove the union and
>> make a copy of the hw state on modeset and fastset.
>>
>> Color blobs are copied in crtc atomic_check(), right
>> before color management is checked.
>>
>> Changes since v1:
>> - Copy all blobs immediately after drm_atomic_helper_check_modeset().
>> - Clear crtc_state->hw on disable, instead of using clear_intel_crtc_state().
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> ---
>>  drivers/gpu/drm/i915/display/intel_atomic.c   | 44 ++++++++++++++++++
>>  drivers/gpu/drm/i915/display/intel_atomic.h   |  2 +
>>  drivers/gpu/drm/i915/display/intel_display.c  | 45 ++++++++++++++++---
>>  .../drm/i915/display/intel_display_types.h    |  9 ++--
>>  4 files changed, 89 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
>> index 7cf13b9c7d38..266d0ce9d03d 100644
>> --- a/drivers/gpu/drm/i915/display/intel_atomic.c
>> +++ b/drivers/gpu/drm/i915/display/intel_atomic.c
>> @@ -195,6 +195,14 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
>>  
>>  	__drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->uapi);
>>  
>> +	/* copy color blobs */
>> +	if (crtc_state->hw.degamma_lut)
>> +		drm_property_blob_get(crtc_state->hw.degamma_lut);
>> +	if (crtc_state->hw.ctm)
>> +		drm_property_blob_get(crtc_state->hw.ctm);
>> +	if (crtc_state->hw.gamma_lut)
>> +		drm_property_blob_get(crtc_state->hw.gamma_lut);
>> +
>>  	crtc_state->update_pipe = false;
>>  	crtc_state->disable_lp_wm = false;
>>  	crtc_state->disable_cxsr = false;
>> @@ -208,6 +216,41 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
>>  	return &crtc_state->uapi;
>>  }
>>  
>> +static void intel_crtc_put_color_blobs(struct intel_crtc_state *crtc_state)
>> +{
>> +	drm_property_blob_put(crtc_state->hw.degamma_lut);
>> +	drm_property_blob_put(crtc_state->hw.gamma_lut);
>> +	drm_property_blob_put(crtc_state->hw.ctm);
>> +}
>> +
>> +void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state)
>> +{
>> +	intel_crtc_put_color_blobs(crtc_state);
>> +}
>> +
>> +void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state)
>> +{
>> +	intel_crtc_put_color_blobs(crtc_state);
>> +
>> +	if (crtc_state->uapi.degamma_lut)
>> +		crtc_state->hw.degamma_lut =
>> +			drm_property_blob_get(crtc_state->uapi.degamma_lut);
>> +	else
>> +		crtc_state->hw.degamma_lut = NULL;
> Side note: If drm_property_blob_get() would pass NULL through this kind
> of stuff would look a lot less annoying.
>
>> +
>> +	if (crtc_state->uapi.gamma_lut)
>> +		crtc_state->hw.gamma_lut =
>> +			drm_property_blob_get(crtc_state->uapi.gamma_lut);
>> +	else
>> +		crtc_state->hw.gamma_lut = NULL;
>> +
>> +	if (crtc_state->uapi.ctm)
>> +		crtc_state->hw.ctm =
>> +			drm_property_blob_get(crtc_state->uapi.ctm);
>> +	else
>> +		crtc_state->hw.ctm = NULL;
>> +}
>> +
>>  /**
>>   * intel_crtc_destroy_state - destroy crtc state
>>   * @crtc: drm crtc
>> @@ -223,6 +266,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
>>  	struct intel_crtc_state *crtc_state = to_intel_crtc_state(state);
>>  
>>  	__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
>> +	intel_crtc_free_hw_state(crtc_state);
>>  	kfree(crtc_state);
>>  }
>>  
>> diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h b/drivers/gpu/drm/i915/display/intel_atomic.h
>> index 58065d3161a3..42be91e0772a 100644
>> --- a/drivers/gpu/drm/i915/display/intel_atomic.h
>> +++ b/drivers/gpu/drm/i915/display/intel_atomic.h
>> @@ -35,6 +35,8 @@ intel_digital_connector_duplicate_state(struct drm_connector *connector);
>>  struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
>>  void intel_crtc_destroy_state(struct drm_crtc *crtc,
>>  			       struct drm_crtc_state *state);
>> +void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state);
>> +void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state);
>>  struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
>>  void intel_atomic_state_clear(struct drm_atomic_state *state);
>>  
>> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
>> index 06c593d56d92..c009489641bd 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display.c
>> +++ b/drivers/gpu/drm/i915/display/intel_display.c
>> @@ -114,6 +114,7 @@ static const u64 cursor_format_modifiers[] = {
>>  	DRM_FORMAT_MOD_INVALID
>>  };
>>  
>> +static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state);
>>  static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
>>  				struct intel_crtc_state *pipe_config);
>>  static void ironlake_pch_clock_get(struct intel_crtc *crtc,
>> @@ -7041,6 +7042,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
>>  	crtc->enabled = false;
>>  	crtc->state->connector_mask = 0;
>>  	crtc->state->encoder_mask = 0;
>> +	copy_uapi_to_hw_state(to_intel_crtc_state(crtc->state));
>>  
>>  	for_each_encoder_on_crtc(crtc->dev, crtc, encoder)
>>  		encoder->base.crtc = NULL;
>> @@ -12254,6 +12256,23 @@ static bool check_digital_port_conflicts(struct intel_atomic_state *state)
>>  	return ret;
>>  }
>>  
>> +static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state)
>> +{
>> +	crtc_state->hw.enable = crtc_state->uapi.enable;
>> +	crtc_state->hw.active = crtc_state->uapi.active;
>> +	crtc_state->hw.mode = crtc_state->uapi.mode;
>> +	crtc_state->hw.adjusted_mode = crtc_state->uapi.adjusted_mode;
>> +	intel_crtc_copy_color_blobs(crtc_state);
>> +}
>> +
>> +static void copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state)
>> +{
>> +	crtc_state->uapi.enable = crtc_state->hw.enable;
>> +	crtc_state->uapi.active = crtc_state->hw.active;
>> +	crtc_state->uapi.mode = crtc_state->hw.mode;
>> +	crtc_state->uapi.adjusted_mode = crtc_state->hw.adjusted_mode;
>> +}
>> +
>>  static int
>>  clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
>>  {
>> @@ -12270,6 +12289,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
>>  	 * fixed, so that the crtc_state can be safely duplicated. For now,
>>  	 * only fields that are know to not cause problems are preserved. */
>>  
>> +	saved_state->uapi = crtc_state->uapi;
>>  	saved_state->scaler_state = crtc_state->scaler_state;
>>  	saved_state->shared_dpll = crtc_state->shared_dpll;
>>  	saved_state->dpll_hw_state = crtc_state->dpll_hw_state;
>> @@ -12280,12 +12300,9 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
>>  	    IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
>>  		saved_state->wm = crtc_state->wm;
>>  
>> -	/* Keep base drm_crtc_state intact, only clear our extended struct */
>> -	BUILD_BUG_ON(offsetof(struct intel_crtc_state, base));
>> -	BUILD_BUG_ON(offsetof(struct intel_crtc_state, uapi));
>> -	BUILD_BUG_ON(offsetof(struct intel_crtc_state, hw));
>> -	memcpy(&crtc_state->uapi + 1, &saved_state->uapi + 1,
>> -	       sizeof(*crtc_state) - sizeof(crtc_state->uapi));
>> +	intel_crtc_free_hw_state(crtc_state);
>> +	memcpy(crtc_state, saved_state, sizeof(*crtc_state));
>> +	copy_uapi_to_hw_state(crtc_state);
> I still think this stuff is in the wrong place. IMO all the uapi->hw copy
> should happen in exactly one place (and that place I believe should be
> just after drm_atomic_helper_check_modeset()). The patch changelog
> seemed to imply that was what were going for but the code doesn't appear
> to agree.
Yeah I will just make a single function on top of there.
>
>>  
>>  	kfree(saved_state);
>>  	return 0;
>> @@ -12425,6 +12442,9 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config)
>>  	DRM_DEBUG_KMS("hw max bpp: %i, pipe bpp: %i, dithering: %i\n",
>>  		      base_bpp, pipe_config->pipe_bpp, pipe_config->dither);
>>  
>> +	/* uapi wants a copy of the adjusted_mode for vblank bookkeeping */
>> +	pipe_config->uapi.adjusted_mode = pipe_config->hw.adjusted_mode;
> This should no longer be needed?
Yeah, think so. One way to find out. :)
>
>> +
>>  	return 0;
>>  }
>>  
>> @@ -13110,6 +13130,8 @@ verify_crtc_state(struct intel_crtc *crtc,
>>  
>>  	state = old_crtc_state->uapi.state;
>>  	__drm_atomic_helper_crtc_destroy_state(&old_crtc_state->uapi);
>> +	intel_crtc_free_hw_state(old_crtc_state);
>> +
>>  	pipe_config = old_crtc_state;
>>  	memset(pipe_config, 0, sizeof(*pipe_config));
>>  	pipe_config->uapi.crtc = &crtc->base;
>> @@ -13572,11 +13594,17 @@ static int intel_atomic_check(struct drm_device *dev,
>>  
>>  	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
>>  					    new_crtc_state, i) {
>> -		if (!needs_modeset(new_crtc_state))
>> +		if (!needs_modeset(new_crtc_state)) {
>> +			if (new_crtc_state->uapi.color_mgmt_changed)
>> +				intel_crtc_copy_color_blobs(new_crtc_state);
>>  			continue;
>> +		}
>>  
>>  		if (!new_crtc_state->uapi.enable) {
>>  			any_ms = true;
>> +			intel_crtc_free_hw_state(new_crtc_state);
>> +			memset(&new_crtc_state->hw, 0,
>> +			       sizeof(new_crtc_state->hw));
>>  			continue;
>>  		}
>>  
>> @@ -16662,6 +16690,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>>  			to_intel_crtc_state(crtc->base.state);
>>  
>>  		__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
>> +		intel_crtc_free_hw_state(crtc_state);
>>  		memset(crtc_state, 0, sizeof(*crtc_state));
>>  		__drm_atomic_helper_crtc_reset(&crtc->base, &crtc_state->uapi);
>>  
>> @@ -16790,6 +16819,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>>  			 * set a flag to indicate that a full recalculation is
>>  			 * needed on the next commit.
>>  			 */
>> +			crtc_state->hw.mode = crtc->base.mode;
>>  			crtc_state->hw.mode.private_flags = I915_MODE_FLAG_INHERITED;
>>  
>>  			intel_crtc_compute_pixel_rate(crtc_state);
>> @@ -16820,6 +16850,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>>  
>>  		intel_bw_crtc_update(bw_state, crtc_state);
>>  
>> +		copy_hw_to_uapi_state(crtc_state);
>>  		intel_pipe_config_sanity_check(dev_priv, crtc_state);
>>  	}
>>  }
>> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
>> index 4d85ea5832d7..41d471ab9a64 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
>> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
>> @@ -749,8 +749,6 @@ enum intel_output_format {
>>  };
>>  
>>  struct intel_crtc_state {
>> -	union {
>> -	struct drm_crtc_state base;
>>  	/*
>>  	 * uapi (drm) state. This is the software state shown to userspace.
>>  	 * In particular, the following members are used for bookkeeping:
>> @@ -773,8 +771,11 @@ struct intel_crtc_state {
>>  	 *
>>  	 * During initial hw readout, they need to be copied to uapi.
>>  	 */
>> -	struct drm_crtc_state hw;
>> -	};
>> +	struct {
>> +		bool active, enable;
>> +		struct drm_property_blob *degamma_lut, *gamma_lut, *ctm;
>> +		struct drm_display_mode mode, adjusted_mode;
>> +	} hw;
>>  
>>  	/**
>>  	 * quirks - bitfield with hw state readout quirks
>> -- 
>> 2.23.0
>>
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx


_______________________________________________
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  reply	other threads:[~2019-10-23 15:06 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17 13:20 [PATCH 01/14] drm/i915: Rework watermark readout to use plane api Maarten Lankhorst
2019-10-17 13:20 ` [PATCH 02/14] drm/i915: Introduce intel_atomic_get_plane_state_after_check(), v2 Maarten Lankhorst
2019-10-17 13:20 ` [PATCH 03/14] drm/i915: Handle a few more cases for crtc hw/uapi split, v2 Maarten Lankhorst
2019-10-18 10:33   ` Ville Syrjälä
2019-10-17 13:20 ` [PATCH 04/14] drm/i915: Add aliases for uapi and hw to crtc_state Maarten Lankhorst
2019-10-18 10:36   ` Ville Syrjälä
2019-10-18 12:09     ` Maarten Lankhorst
2019-10-18 13:09       ` Ville Syrjälä
2019-10-17 13:20 ` [PATCH 05/14] drm/i915: Perform manual conversions for crtc uapi/hw split Maarten Lankhorst
2019-10-18  8:11   ` Maarten Lankhorst
2019-10-18  8:13   ` [PATCH] drm/i915: Perform manual conversions for crtc uapi/hw split, v2 Maarten Lankhorst
2019-10-22 18:16     ` Ville Syrjälä
2019-10-24 12:12       ` Maarten Lankhorst
2019-10-24 12:12         ` [Intel-gfx] " Maarten Lankhorst
2019-10-24 12:23         ` Ville Syrjälä
2019-10-24 12:23           ` [Intel-gfx] " Ville Syrjälä
2019-10-24 12:35           ` Maarten Lankhorst
2019-10-24 12:35             ` [Intel-gfx] " Maarten Lankhorst
2019-10-17 13:20 ` [PATCH 06/14] drm/i915: Perform automated conversions for crtc uapi/hw split, base -> hw Maarten Lankhorst
2019-10-18 12:59   ` Ville Syrjälä
2019-10-17 13:20 ` [PATCH 07/14] drm/i915: Perform automated conversions for crtc uapi/hw split, base -> uapi Maarten Lankhorst
2019-10-22 18:24   ` Ville Syrjälä
2019-10-17 13:20 ` [PATCH 08/14] drm/i915: Complete crtc hw/uapi split, v2 Maarten Lankhorst
2019-10-22 18:32   ` Ville Syrjälä
2019-10-23 15:06     ` Maarten Lankhorst [this message]
2019-10-23 15:06       ` [Intel-gfx] " Maarten Lankhorst
2019-10-17 13:21 ` [PATCH 09/14] drm/i915: Add aliases for uapi and hw to plane_state Maarten Lankhorst
2019-10-17 13:21 ` [PATCH 10/14] drm/i915: Perform manual conversions for plane uapi/hw split Maarten Lankhorst
2019-10-17 13:21 ` [PATCH 11/14] drm/i915: Perform automated conversions for plane uapi/hw split, base -> hw Maarten Lankhorst
2019-10-17 13:21 ` [PATCH 12/14] drm/i915: Perform automated conversions for plane uapi/hw split, base -> uapi Maarten Lankhorst
2019-10-17 13:21 ` [PATCH 13/14] drm/i915: Complete plane hw and uapi split, v2 Maarten Lankhorst
2019-10-17 13:21 ` [PATCH 14/14] drm/i915: Remove special case slave handling during hw programming, v2 Maarten Lankhorst
2019-10-18 14:52   ` Maarten Lankhorst
2019-10-22 10:31   ` [PATCH] drm/i915: Remove special case slave handling during hw programming, v3 Maarten Lankhorst
2019-10-22 18:14     ` Ville Syrjälä
2019-10-23 10:31       ` Maarten Lankhorst
2019-10-23 10:31         ` [Intel-gfx] " Maarten Lankhorst
2019-10-17 13:37 ` [PATCH 01/14] drm/i915: Rework watermark readout to use plane api Ville Syrjälä
2019-10-17 14:11   ` Maarten Lankhorst
2019-10-17 18:25 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/14] " Patchwork
2019-10-17 18:50 ` ✗ Fi.CI.BAT: failure " Patchwork
2019-10-18  8:27 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/14] drm/i915: Rework watermark readout to use plane api (rev2) Patchwork
2019-10-18  8:46 ` ✓ Fi.CI.BAT: success " Patchwork
2019-10-18 10:57 ` ✗ Fi.CI.IGT: failure " Patchwork
2019-10-18 14:03   ` Maarten Lankhorst
2019-10-22 18:53 ` ✗ Fi.CI.BUILD: failure for series starting with [01/14] drm/i915: Rework watermark readout to use plane api (rev3) Patchwork

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