From c539b579b6c72719a8e14b1823ccf1e9fb3380d2 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 5 Oct 2018 15:58:14 +0300 Subject: [PATCH] drm/i915: Introduce intel_plane_alloc() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Pull the common plane+plane_state allocation into a small helper. Reduces the amount of boilerplate in the plane initialization functions. Signed-off-by: Ville Syrjälä Reviewed-by: Chris Wilson Reviewed-by: Stanislav Lisovskiy Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-9-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/intel_display.c | 44 ++++++++----------------------- drivers/gpu/drm/i915/intel_drv.h | 2 ++ drivers/gpu/drm/i915/intel_sprite.c | 50 ++++++++++++++++++++++++------------ 3 files changed, 46 insertions(+), 50 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d2246ec8a87e..b95675b25393 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13759,8 +13759,7 @@ bool skl_plane_has_planar(struct drm_i915_private *dev_priv, static struct intel_plane * intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) { - struct intel_plane *primary = NULL; - struct intel_plane_state *state = NULL; + struct intel_plane *primary; const struct drm_plane_funcs *plane_funcs; const uint32_t *intel_primary_formats; unsigned int supported_rotations; @@ -13769,19 +13768,9 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) const uint64_t *modifiers; int ret; - primary = kzalloc(sizeof(*primary), GFP_KERNEL); - if (!primary) { - ret = -ENOMEM; - goto fail; - } - - state = intel_create_plane_state(&primary->base); - if (!state) { - ret = -ENOMEM; - goto fail; - } - - primary->base.state = &state->base; + primary = intel_plane_alloc(); + if (IS_ERR(primary)) + return primary; primary->pipe = pipe; /* @@ -13932,8 +13921,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) return primary; fail: - kfree(state); - kfree(primary); + intel_plane_free(primary); return ERR_PTR(ret); } @@ -13942,24 +13930,13 @@ static struct intel_plane * intel_cursor_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) { - struct intel_plane *cursor = NULL; - struct intel_plane_state *state = NULL; unsigned int possible_crtcs; + struct intel_plane *cursor; int ret; - cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); - if (!cursor) { - ret = -ENOMEM; - goto fail; - } - - state = intel_create_plane_state(&cursor->base); - if (!state) { - ret = -ENOMEM; - goto fail; - } - - cursor->base.state = &state->base; + cursor = intel_plane_alloc(); + if (IS_ERR(cursor)) + return cursor; cursor->pipe = pipe; cursor->i9xx_plane = (enum i9xx_plane_id) pipe; @@ -14009,8 +13986,7 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv, return cursor; fail: - kfree(state); - kfree(cursor); + intel_plane_free(cursor); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 43190c6e9ef2..0e0f763907ef 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -2141,6 +2141,8 @@ int skl_plane_check(struct intel_crtc_state *crtc_state, int intel_plane_check_stride(const struct intel_plane_state *plane_state); int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state); int chv_plane_check_rotation(const struct intel_plane_state *plane_state); +struct intel_plane *intel_plane_alloc(void); +void intel_plane_free(struct intel_plane *plane); /* intel_tv.c */ void intel_tv_init(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 5860530289b5..8390b5894b40 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -1793,12 +1793,40 @@ bool skl_plane_has_ccs(struct drm_i915_private *dev_priv, plane_id == PLANE_SPRITE0); } +struct intel_plane *intel_plane_alloc(void) +{ + struct intel_plane_state *plane_state; + struct intel_plane *plane; + + plane = kzalloc(sizeof(*plane), GFP_KERNEL); + if (!plane) + return ERR_PTR(-ENOMEM); + + plane_state = intel_create_plane_state(&plane->base); + if (!plane_state) { + kfree(plane); + return ERR_PTR(-ENOMEM); + } + + plane->base.state = &plane_state->base; + + return plane; +} + +void intel_plane_free(struct intel_plane *plane) +{ + struct intel_plane_state *plane_state = + to_intel_plane_state(plane->base.state); + + kfree(plane_state); + kfree(plane); +} + struct intel_plane * intel_sprite_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe, int plane) { - struct intel_plane *intel_plane = NULL; - struct intel_plane_state *state = NULL; + struct intel_plane *intel_plane; const struct drm_plane_funcs *plane_funcs; unsigned long possible_crtcs; const uint32_t *plane_formats; @@ -1807,18 +1835,9 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, int num_plane_formats; int ret; - intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL); - if (!intel_plane) { - ret = -ENOMEM; - goto fail; - } - - state = intel_create_plane_state(&intel_plane->base); - if (!state) { - ret = -ENOMEM; - goto fail; - } - intel_plane->base.state = &state->base; + intel_plane = intel_plane_alloc(); + if (IS_ERR(intel_plane)) + return intel_plane; if (INTEL_GEN(dev_priv) >= 9) { intel_plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, @@ -1957,8 +1976,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, return intel_plane; fail: - kfree(state); - kfree(intel_plane); + intel_plane_free(intel_plane); return ERR_PTR(ret); } -- 2.11.0