From 2b808b3a27d1182a26182d622bb1b292fd4ed1f0 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Thu, 31 Oct 2019 12:26:00 +0100 Subject: [PATCH] drm/i915: Add aliases for uapi and hw to crtc_state MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Prepare to split up hw and uapi machinally, by adding a uapi and hw alias. We will remove the base in a bit. This is a split from the original uapi/hw patch, which did it all in one go. Signed-off-by: Maarten Lankhorst Link: https://patchwork.freedesktop.org/patch/msgid/20191031112610.27608-2-maarten.lankhorst@linux.intel.com Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_atomic.c | 8 +++++-- drivers/gpu/drm/i915/display/intel_display.c | 2 ++ drivers/gpu/drm/i915/display/intel_display.h | 6 ++--- drivers/gpu/drm/i915/display/intel_display_types.h | 27 +++++++++++++++++++++- 4 files changed, 37 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c index 9cd6d23..4826aa4 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic.c +++ b/drivers/gpu/drm/i915/display/intel_atomic.c @@ -186,9 +186,10 @@ intel_digital_connector_duplicate_state(struct drm_connector *connector) struct drm_crtc_state * intel_crtc_duplicate_state(struct drm_crtc *crtc) { + const struct intel_crtc_state *old_crtc_state = to_intel_crtc_state(crtc->state); struct intel_crtc_state *crtc_state; - crtc_state = kmemdup(crtc->state, sizeof(*crtc_state), GFP_KERNEL); + crtc_state = kmemdup(old_crtc_state, sizeof(*crtc_state), GFP_KERNEL); if (!crtc_state) return NULL; @@ -219,7 +220,10 @@ void intel_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state) { - drm_atomic_helper_crtc_destroy_state(crtc, state); + struct intel_crtc_state *crtc_state = to_intel_crtc_state(state); + + __drm_atomic_helper_crtc_destroy_state(&crtc_state->base); + kfree(crtc_state); } static void intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_state, diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 9b7c559..88e81fa 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -12592,6 +12592,8 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state) /* 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->base + 1, &saved_state->base + 1, sizeof(*crtc_state) - sizeof(crtc_state->base)); diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 355c500..476bc71 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -447,10 +447,10 @@ enum phy_fia { #define intel_atomic_crtc_state_for_each_plane_state( \ plane, plane_state, \ crtc_state) \ - for_each_intel_plane_mask(((crtc_state)->base.state->dev), (plane), \ - ((crtc_state)->base.plane_mask)) \ + for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \ + ((crtc_state)->uapi.plane_mask)) \ for_each_if ((plane_state = \ - to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->base.state, &plane->base)))) + to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base)))) void intel_link_compute_m_n(u16 bpp, int nlanes, int pixel_clock, int link_clock, diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 4341bd6..285b17c 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -757,7 +757,32 @@ 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: + * - crtc + * - state + * - *_changed + * - event + * - commit + * - mode_blob + */ + struct drm_crtc_state uapi; + + /* + * actual hardware state, the state we program to the hardware. + * The following members are used to verify the hardware state: + * - enable + * - active + * - mode / adjusted_mode + * - color property blobs. + * + * During initial hw readout, they need to be copied to uapi. + */ + struct drm_crtc_state hw; + }; /** * quirks - bitfield with hw state readout quirks @@ -1112,7 +1137,7 @@ struct cxsr_latency { #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base) #define to_intel_crtc(x) container_of(x, struct intel_crtc, base) -#define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, base) +#define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, uapi) #define to_intel_connector(x) container_of(x, struct intel_connector, base) #define to_intel_encoder(x) container_of(x, struct intel_encoder, base) #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) -- 2.7.4