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drm/i915: use compute_config in set_config v4

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This will allow us to consult more info before deciding whether to flip
or do a full mode set.

v2:
  - don't use uninitialized or incorrect pipe masks in set_config
    failure path (Ander)
v3:
  - fixup for pipe_config changes in compute_config (Jesse)
v4:
  - drop spurious hunk in force restore path (Ander)

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2014-11-07 13:11:00 -08:00 committed by Daniel Vetter
parent 7f27126ea3
commit 50f5275698
1 changed files with 18 additions and 2 deletions
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20
drivers/gpu/drm/i915/intel_display.c
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@ -11272,6 +11272,8 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
struct drm_device *dev;
struct drm_mode_set save_set;
struct intel_set_config *config;
struct intel_crtc_config *pipe_config;
unsigned modeset_pipes, prepare_pipes, disable_pipes;
int ret;
BUG_ON(!set);
@ -11317,9 +11319,23 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
if (ret)
goto fail;
pipe_config = intel_modeset_compute_config(set->crtc, set->mode,
set->fb,
&modeset_pipes,
&prepare_pipes,
&disable_pipes);
if (IS_ERR(pipe_config))
goto fail;
/* set_mode will free it in the mode_changed case */
if (!config->mode_changed)
kfree(pipe_config);
if (config->mode_changed) {
ret = intel_set_mode(set->crtc, set->mode,
set->x, set->y, set->fb);
ret = intel_set_mode_pipes(set->crtc, set->mode,
set->x, set->y, set->fb, pipe_config,
modeset_pipes, prepare_pipes,
disable_pipes);
} else if (config->fb_changed) {
struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc);