From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Rename the 'params' to just fbc state.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 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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