Re: [PATCH 18/20] drm/i915/fbc: s/parms/fbc_state/

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> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Ville
> Syrjala
> Sent: Wednesday, November 24, 2021 1:37 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject:  [PATCH 18/20] drm/i915/fbc: s/parms/fbc_state/
> 
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> Rename the 'params' to just fbc state.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_fbc.c | 138 +++++++++++------------
>  1 file changed, 68 insertions(+), 70 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c
> b/drivers/gpu/drm/i915/display/intel_fbc.c
> index b6919ca87138..4d2c54acdc89 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -103,7 +103,7 @@ struct intel_fbc {
>  	 * something different in the struct. The genx_fbc_activate functions
>  	 * are supposed to read from it in order to program the registers.
>  	 */
> -	struct intel_fbc_state params;
> +	struct intel_fbc_state state;
>  	const char *no_fbc_reason;
>  };
> 
> @@ -211,12 +211,12 @@ static u16 intel_fbc_override_cfb_stride(const struct
> intel_plane_state *plane_s
> 
>  static u32 i8xx_fbc_ctl(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	unsigned int cfb_stride;
>  	u32 fbc_ctl;
> 
> -	cfb_stride = params->cfb_stride / fbc->limit;
> +	cfb_stride = fbc_state->cfb_stride / fbc->limit;
> 
>  	/* FBC_CTL wants 32B or 64B units */
>  	if (DISPLAY_VER(i915) == 2)
> @@ -225,27 +225,27 @@ static u32 i8xx_fbc_ctl(struct intel_fbc *fbc)
>  		cfb_stride = (cfb_stride / 64) - 1;
> 
>  	fbc_ctl = FBC_CTL_PERIODIC |
> -		FBC_CTL_INTERVAL(params->interval) |
> +		FBC_CTL_INTERVAL(fbc_state->interval) |
>  		FBC_CTL_STRIDE(cfb_stride);
> 
>  	if (IS_I945GM(i915))
>  		fbc_ctl |= FBC_CTL_C3_IDLE; /* 945 needs special SR handling
> */
> 
> -	if (params->fence_id >= 0)
> -		fbc_ctl |= FBC_CTL_FENCENO(params->fence_id);
> +	if (fbc_state->fence_id >= 0)
> +		fbc_ctl |= FBC_CTL_FENCENO(fbc_state->fence_id);
> 
>  	return fbc_ctl;
>  }
> 
>  static u32 i965_fbc_ctl2(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	u32 fbc_ctl2;
> 
>  	fbc_ctl2 = FBC_CTL_FENCE_DBL | FBC_CTL_IDLE_IMM |
> -		FBC_CTL_PLANE(params->plane->i9xx_plane);
> +		FBC_CTL_PLANE(fbc_state->plane->i9xx_plane);
> 
> -	if (params->fence_id >= 0)
> +	if (fbc_state->fence_id >= 0)
>  		fbc_ctl2 |= FBC_CTL_CPU_FENCE_EN;
> 
>  	return fbc_ctl2;
> @@ -274,7 +274,7 @@ static void i8xx_fbc_deactivate(struct intel_fbc *fbc)
> 
>  static void i8xx_fbc_activate(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	int i;
> 
> @@ -286,7 +286,7 @@ static void i8xx_fbc_activate(struct intel_fbc *fbc)
>  		intel_de_write(i915, FBC_CONTROL2,
>  			       i965_fbc_ctl2(fbc));
>  		intel_de_write(i915, FBC_FENCE_OFF,
> -			       params->fence_y_offset);
> +			       fbc_state->fence_y_offset);
>  	}
> 
>  	intel_de_write(i915, FBC_CONTROL,
> @@ -306,8 +306,8 @@ static bool i8xx_fbc_is_compressing(struct intel_fbc
> *fbc)
> 
>  static void i8xx_fbc_nuke(struct intel_fbc *fbc)  {
> -	struct intel_fbc_state *params = &fbc->params;
> -	enum i9xx_plane_id i9xx_plane = params->plane->i9xx_plane;
> +	struct intel_fbc_state *fbc_state = &fbc->state;
> +	enum i9xx_plane_id i9xx_plane = fbc_state->plane->i9xx_plane;
>  	struct drm_i915_private *dev_priv = fbc->i915;
> 
>  	spin_lock_irq(&dev_priv->uncore.lock);
> @@ -342,8 +342,8 @@ static const struct intel_fbc_funcs i8xx_fbc_funcs = {
> 
>  static void i965_fbc_nuke(struct intel_fbc *fbc)  {
> -	struct intel_fbc_state *params = &fbc->params;
> -	enum i9xx_plane_id i9xx_plane = params->plane->i9xx_plane;
> +	struct intel_fbc_state *fbc_state = &fbc->state;
> +	enum i9xx_plane_id i9xx_plane = fbc_state->plane->i9xx_plane;
>  	struct drm_i915_private *dev_priv = fbc->i915;
> 
>  	spin_lock_irq(&dev_priv->uncore.lock);
> @@ -378,21 +378,21 @@ static u32 g4x_dpfc_ctl_limit(struct intel_fbc *fbc)
> 
>  static u32 g4x_dpfc_ctl(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	u32 dpfc_ctl;
> 
>  	dpfc_ctl = g4x_dpfc_ctl_limit(fbc) |
> -		DPFC_CTL_PLANE_G4X(params->plane->i9xx_plane);
> +		DPFC_CTL_PLANE_G4X(fbc_state->plane->i9xx_plane);
> 
>  	if (IS_G4X(i915))
>  		dpfc_ctl |= DPFC_CTL_SR_EN;
> 
> -	if (params->fence_id >= 0) {
> +	if (fbc_state->fence_id >= 0) {
>  		dpfc_ctl |= DPFC_CTL_FENCE_EN_G4X;
> 
>  		if (DISPLAY_VER(i915) < 6)
> -			dpfc_ctl |= DPFC_CTL_FENCENO(params->fence_id);
> +			dpfc_ctl |= DPFC_CTL_FENCENO(fbc_state->fence_id);
>  	}
> 
>  	return dpfc_ctl;
> @@ -400,11 +400,11 @@ static u32 g4x_dpfc_ctl(struct intel_fbc *fbc)
> 
>  static void g4x_fbc_activate(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
> 
>  	intel_de_write(i915, DPFC_FENCE_YOFF,
> -		       params->fence_y_offset);
> +		       fbc_state->fence_y_offset);
> 
>  	intel_de_write(i915, DPFC_CONTROL,
>  		       DPFC_CTL_EN | g4x_dpfc_ctl(fbc)); @@ -451,11 +451,11
> @@ static const struct intel_fbc_funcs g4x_fbc_funcs = {
> 
>  static void ilk_fbc_activate(struct intel_fbc *fbc)  {
> -	struct intel_fbc_state *params = &fbc->params;
> +	struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
> 
>  	intel_de_write(i915, ILK_DPFC_FENCE_YOFF,
> -		       params->fence_y_offset);
> +		       fbc_state->fence_y_offset);
> 
>  	intel_de_write(i915, ILK_DPFC_CONTROL,
>  		       DPFC_CTL_EN | g4x_dpfc_ctl(fbc)); @@ -502,15 +502,15
> @@ static const struct intel_fbc_funcs ilk_fbc_funcs = {
> 
>  static void snb_fbc_program_fence(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	u32 ctl = 0;
> 
> -	if (params->fence_id >= 0)
> -		ctl = SNB_DPFC_FENCE_EN | SNB_DPFC_FENCENO(params-
> >fence_id);
> +	if (fbc_state->fence_id >= 0)
> +		ctl = SNB_DPFC_FENCE_EN | SNB_DPFC_FENCENO(fbc_state-
> >fence_id);
> 
>  	intel_de_write(i915, SNB_DPFC_CTL_SA, ctl);
> -	intel_de_write(i915, SNB_DPFC_CPU_FENCE_OFFSET, params-
> >fence_y_offset);
> +	intel_de_write(i915, SNB_DPFC_CPU_FENCE_OFFSET,
> +fbc_state->fence_y_offset);
>  }
> 
>  static void snb_fbc_activate(struct intel_fbc *fbc) @@ -539,27 +539,27 @@
> static const struct intel_fbc_funcs snb_fbc_funcs = {
> 
>  static void glk_fbc_program_cfb_stride(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	u32 val = 0;
> 
> -	if (params->override_cfb_stride)
> +	if (fbc_state->override_cfb_stride)
>  		val |= FBC_STRIDE_OVERRIDE |
> -			FBC_STRIDE(params->override_cfb_stride / fbc->limit);
> +			FBC_STRIDE(fbc_state->override_cfb_stride / fbc-
> >limit);
> 
>  	intel_de_write(i915, GLK_FBC_STRIDE, val);  }
> 
>  static void skl_fbc_program_cfb_stride(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	u32 val = 0;
> 
>  	/* Display WA #0529: skl, kbl, bxt. */
> -	if (params->override_cfb_stride)
> +	if (fbc_state->override_cfb_stride)
>  		val |= CHICKEN_FBC_STRIDE_OVERRIDE |
> -			CHICKEN_FBC_STRIDE(params->override_cfb_stride /
> fbc->limit);
> +			CHICKEN_FBC_STRIDE(fbc_state->override_cfb_stride /
> fbc->limit);
> 
>  	intel_de_rmw(i915, CHICKEN_MISC_4,
>  		     CHICKEN_FBC_STRIDE_OVERRIDE |
> @@ -568,16 +568,16 @@ static void skl_fbc_program_cfb_stride(struct
> intel_fbc *fbc)
> 
>  static u32 ivb_dpfc_ctl(struct intel_fbc *fbc)  {
> -	const struct intel_fbc_state *params = &fbc->params;
> +	const struct intel_fbc_state *fbc_state = &fbc->state;
>  	struct drm_i915_private *i915 = fbc->i915;
>  	u32 dpfc_ctl;
> 
>  	dpfc_ctl = g4x_dpfc_ctl_limit(fbc);
> 
>  	if (IS_IVYBRIDGE(i915))
> -		dpfc_ctl |= DPFC_CTL_PLANE_IVB(params->plane->i9xx_plane);
> +		dpfc_ctl |= DPFC_CTL_PLANE_IVB(fbc_state->plane-
> >i9xx_plane);
> 
> -	if (params->fence_id >= 0)
> +	if (fbc_state->fence_id >= 0)
>  		dpfc_ctl |= DPFC_CTL_FENCE_EN_IVB;
> 
>  	if (fbc->false_color)
> @@ -631,7 +631,7 @@ static bool intel_fbc_hw_is_active(struct intel_fbc *fbc)
> 
>  static void intel_fbc_hw_activate(struct intel_fbc *fbc)  {
> -	trace_intel_fbc_activate(fbc->params.plane);
> +	trace_intel_fbc_activate(fbc->state.plane);
> 
>  	fbc->active = true;
>  	fbc->activated = true;
> @@ -641,7 +641,7 @@ static void intel_fbc_hw_activate(struct intel_fbc *fbc)
> 
>  static void intel_fbc_hw_deactivate(struct intel_fbc *fbc)  {
> -	trace_intel_fbc_deactivate(fbc->params.plane);
> +	trace_intel_fbc_deactivate(fbc->state.plane);
> 
>  	fbc->active = false;
> 
> @@ -655,7 +655,7 @@ static bool intel_fbc_is_compressing(struct intel_fbc
> *fbc)
> 
>  static void intel_fbc_nuke(struct intel_fbc *fbc)  {
> -	trace_intel_fbc_nuke(fbc->params.plane);
> +	trace_intel_fbc_nuke(fbc->state.plane);
> 
>  	fbc->funcs->nuke(fbc);
>  }
> @@ -943,9 +943,9 @@ static bool tiling_is_valid(const struct intel_plane_state
> *plane_state)
>  	}
>  }
> 
> -static void intel_fbc_update_state_cache(struct intel_atomic_state *state,
> -					 struct intel_crtc *crtc,
> -					 struct intel_plane *plane)
> +static void intel_fbc_update_state(struct intel_atomic_state *state,
> +				   struct intel_crtc *crtc,
> +				   struct intel_plane *plane)
>  {
>  	struct drm_i915_private *i915 = to_i915(state->base.dev);
>  	const struct intel_crtc_state *crtc_state = @@ -953,30 +953,29 @@
> static void intel_fbc_update_state_cache(struct intel_atomic_state *state,
>  	const struct intel_plane_state *plane_state =
>  		intel_atomic_get_new_plane_state(state, plane);
>  	struct intel_fbc *fbc = plane->fbc;
> -	struct intel_fbc_state *cache = &fbc->params;
> +	struct intel_fbc_state *fbc_state = &fbc->state;
> 
> -	if (plane_state->no_fbc_reason)
> -		return;
> +	WARN_ON(plane_state->no_fbc_reason);
> 
> -	cache->plane = plane;
> +	fbc_state->plane = plane;
> 
>  	/* FBC1 compression interval: arbitrary choice of 1 second */
> -	cache->interval = drm_mode_vrefresh(&crtc_state-
> >hw.adjusted_mode);
> +	fbc_state->interval =
> +drm_mode_vrefresh(&crtc_state->hw.adjusted_mode);
> 
> -	cache->fence_y_offset = intel_plane_fence_y_offset(plane_state);
> +	fbc_state->fence_y_offset = intel_plane_fence_y_offset(plane_state);
> 
>  	drm_WARN_ON(&i915->drm, plane_state->flags & PLANE_HAS_FENCE
> &&
>  		    !plane_state->ggtt_vma->fence);
> 
>  	if (plane_state->flags & PLANE_HAS_FENCE &&
>  	    plane_state->ggtt_vma->fence)
> -		cache->fence_id = plane_state->ggtt_vma->fence->id;
> +		fbc_state->fence_id = plane_state->ggtt_vma->fence->id;
>  	else
> -		cache->fence_id = -1;
> +		fbc_state->fence_id = -1;
> 
> -	cache->cfb_stride = intel_fbc_cfb_stride(plane_state);
> -	cache->cfb_size = intel_fbc_cfb_size(plane_state);
> -	cache->override_cfb_stride =
> intel_fbc_override_cfb_stride(plane_state);
> +	fbc_state->cfb_stride = intel_fbc_cfb_stride(plane_state);
> +	fbc_state->cfb_size = intel_fbc_cfb_size(plane_state);
> +	fbc_state->override_cfb_stride =
> +intel_fbc_override_cfb_stride(plane_state);
>  }
> 
>  static bool intel_fbc_is_fence_ok(const struct intel_plane_state *plane_state)
> @@ -1232,7 +1231,7 @@ bool intel_fbc_pre_update(struct intel_atomic_state
> *state,
> 
>  		mutex_lock(&fbc->lock);
> 
> -		if (fbc->params.plane == plane)
> +		if (fbc->state.plane == plane)
>  			need_vblank_wait |= __intel_fbc_pre_update(state,
> crtc, plane);
> 
>  		mutex_unlock(&fbc->lock);
> @@ -1244,10 +1243,9 @@ bool intel_fbc_pre_update(struct intel_atomic_state
> *state,  static void __intel_fbc_disable(struct intel_fbc *fbc)  {
>  	struct drm_i915_private *i915 = fbc->i915;
> -	struct intel_plane *plane = fbc->params.plane;
> +	struct intel_plane *plane = fbc->state.plane;
> 
>  	drm_WARN_ON(&i915->drm, !mutex_is_locked(&fbc->lock));
> -	drm_WARN_ON(&i915->drm, !fbc->params.plane);
>  	drm_WARN_ON(&i915->drm, fbc->active);
> 
>  	drm_dbg_kms(&i915->drm, "Disabling FBC on [PLANE:%d:%s]\n", @@ -
> 1255,7 +1253,7 @@ static void __intel_fbc_disable(struct intel_fbc *fbc)
> 
>  	__intel_fbc_cleanup_cfb(fbc);
> 
> -	fbc->params.plane = NULL;
> +	fbc->state.plane = NULL;
>  }
> 
>  static void __intel_fbc_post_update(struct intel_fbc *fbc) @@ -1285,7 +1283,7
> @@ void intel_fbc_post_update(struct intel_atomic_state *state,
> 
>  		mutex_lock(&fbc->lock);
> 
> -		if (fbc->params.plane == plane) {
> +		if (fbc->state.plane == plane) {
>  			fbc->flip_pending = false;
>  			__intel_fbc_post_update(fbc);
>  		}
> @@ -1296,8 +1294,8 @@ void intel_fbc_post_update(struct intel_atomic_state
> *state,
> 
>  static unsigned int intel_fbc_get_frontbuffer_bit(struct intel_fbc *fbc)  {
> -	if (fbc->params.plane)
> -		return fbc->params.plane->frontbuffer_bit;
> +	if (fbc->state.plane)
> +		return fbc->state.plane->frontbuffer_bit;
>  	else
>  		return fbc->possible_framebuffer_bits;  } @@ -1318,7 +1316,7
> @@ void intel_fbc_invalidate(struct drm_i915_private *i915,
> 
>  	fbc->busy_bits |= intel_fbc_get_frontbuffer_bit(fbc) & frontbuffer_bits;
> 
> -	if (fbc->params.plane && fbc->busy_bits)
> +	if (fbc->state.plane && fbc->busy_bits)
>  		intel_fbc_deactivate(fbc, "frontbuffer write");
> 
>  	mutex_unlock(&fbc->lock);
> @@ -1339,7 +1337,7 @@ void intel_fbc_flush(struct drm_i915_private *i915,
>  	if (origin == ORIGIN_FLIP || origin == ORIGIN_CURSOR_UPDATE)
>  		goto out;
> 
> -	if (!fbc->busy_bits && fbc->params.plane &&
> +	if (!fbc->busy_bits && fbc->state.plane &&
>  	    (frontbuffer_bits & intel_fbc_get_frontbuffer_bit(fbc))) {
>  		if (fbc->active)
>  			intel_fbc_nuke(fbc);
> @@ -1377,8 +1375,8 @@ static void __intel_fbc_enable(struct
> intel_atomic_state *state,
>  		intel_atomic_get_new_plane_state(state, plane);
>  	struct intel_fbc *fbc = plane->fbc;
> 
> -	if (fbc->params.plane) {
> -		if (fbc->params.plane != plane)
> +	if (fbc->state.plane) {
> +		if (fbc->state.plane != plane)
>  			return;
> 
>  		if (intel_fbc_is_ok(plane_state))
> @@ -1413,7 +1411,7 @@ static void __intel_fbc_enable(struct
> intel_atomic_state *state,
>  		    plane->base.base.id, plane->base.name);
>  	fbc->no_fbc_reason = "FBC enabled but not active yet\n";
> 
> -	intel_fbc_update_state_cache(state, crtc, plane);
> +	intel_fbc_update_state(state, crtc, plane);
> 
>  	intel_fbc_program_cfb(fbc);
>  }
> @@ -1436,7 +1434,7 @@ void intel_fbc_disable(struct intel_crtc *crtc)
>  			continue;
> 
>  		mutex_lock(&fbc->lock);
> -		if (fbc->params.plane == plane)
> +		if (fbc->state.plane == plane)
>  			__intel_fbc_disable(fbc);
>  		mutex_unlock(&fbc->lock);
>  	}
> @@ -1460,7 +1458,7 @@ void intel_fbc_update(struct intel_atomic_state
> *state,
>  		mutex_lock(&fbc->lock);
> 
>  		if (crtc_state->update_pipe && plane_state->no_fbc_reason) {
> -			if (fbc->params.plane == plane)
> +			if (fbc->state.plane == plane)
>  				__intel_fbc_disable(fbc);
>  		} else {
>  			__intel_fbc_enable(state, crtc, plane); @@ -1484,7
> +1482,7 @@ void intel_fbc_global_disable(struct drm_i915_private *i915)
>  		return;
> 
>  	mutex_lock(&fbc->lock);
> -	if (fbc->params.plane)
> +	if (fbc->state.plane)
>  		__intel_fbc_disable(fbc);
>  	mutex_unlock(&fbc->lock);
>  }
> @@ -1497,7 +1495,7 @@ static void intel_fbc_underrun_work_fn(struct
> work_struct *work)
>  	mutex_lock(&fbc->lock);
> 
>  	/* Maybe we were scheduled twice. */
> -	if (fbc->underrun_detected || !fbc->params.plane)
> +	if (fbc->underrun_detected || !fbc->state.plane)
>  		goto out;
> 
>  	drm_dbg_kms(&i915->drm, "Disabling FBC due to FIFO underrun.\n");
> @@ -1505,7 +1503,7 @@ static void intel_fbc_underrun_work_fn(struct
> work_struct *work)
> 
>  	intel_fbc_deactivate(fbc, "FIFO underrun");
>  	if (!fbc->flip_pending)
> -		intel_wait_for_vblank(i915, fbc->params.plane->pipe);
> +		intel_wait_for_vblank(i915, fbc->state.plane->pipe);
>  	__intel_fbc_disable(fbc);
>  out:
>  	mutex_unlock(&fbc->lock);
> --
> 2.32.0





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