drm/i915: Introduce intel_plane_state_reset() (74cb2751) · Commits · 戴 / test

For the sake of symmetry with the crtc stuff let's add a helper to reset the plane state to sane default values. For the moment this only gets caller from the plane init. Signed-off-by:

Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191107142417.11107-5-ville.syrjala@linux.intel.com Reviewed-by:

José Roberto de Souza <jose.souza@intel.com>

drivers/gpu/drm/i915/display/intel_atomic_plane.c

+13 −2

Original line number	Diff line number	Diff line
		@@ -41,6 +41,16 @@
		#include "intel_pm.h"
		#include "intel_sprite.h"

		static void intel_plane_state_reset(struct intel_plane_state *plane_state,
		struct intel_plane *plane)
		{
		memset(plane_state, 0, sizeof(*plane_state));

		__drm_atomic_helper_plane_state_reset(&plane_state->uapi, &plane->base);

		plane_state->scaler_id = -1;
		}

		struct intel_plane *intel_plane_alloc(void)
		{
		struct intel_plane_state *plane_state;
		@@ -56,8 +66,9 @@ struct intel_plane *intel_plane_alloc(void)
		return ERR_PTR(-ENOMEM);
		}

		__drm_atomic_helper_plane_reset(&plane->base, &plane_state->uapi);
		plane_state->scaler_id = -1;
		intel_plane_state_reset(plane_state, plane);

		plane->base.state = &plane_state->uapi;

		return plane;
		}

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