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drm/tegra: Fixes for v3.18-rc5

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This is a single patch that fixes the VBLANK machinery after:
 
 	7ffd7a6851 drm: Always reject drm_vblank_get() after drm_vblank_off()
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Merge tag 'drm/tegra/for-3.18-rc5' of git://people.freedesktop.org/~tagr/linux into drm-fixes

drm/tegra: Fixes for v3.18-rc5

This is a single patch that fixes the VBLANK machinery after:

	7ffd7a6851 drm: Always reject drm_vblank_get() after drm_vblank_off()

* tag 'drm/tegra/for-3.18-rc5' of git://people.freedesktop.org/~tagr/linux:
  drm/tegra: dc: Add missing call to drm_vblank_on()
This commit is contained in:
Dave Airlie 2014-11-14 07:03:02 +10:00
parent 3d0f8536cd 8ff64c17f3
commit bcfef97398
1 changed files with 4 additions and 5 deletions
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9
drivers/gpu/drm/tegra/dc.c
View file

@ -736,7 +736,6 @@ static const struct drm_crtc_funcs tegra_crtc_funcs = {
static void tegra_crtc_disable(struct drm_crtc *crtc)
{
struct tegra_dc *dc = to_tegra_dc(crtc);
struct drm_device *drm = crtc->dev;
struct drm_plane *plane;
@ -752,7 +751,7 @@ static void tegra_crtc_disable(struct drm_crtc *crtc)
}
}
drm_vblank_off(drm, dc->pipe);
drm_crtc_vblank_off(crtc);
}
static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc,
@ -841,8 +840,6 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
u32 value;
int err;
drm_vblank_pre_modeset(crtc->dev, dc->pipe);
err = tegra_crtc_setup_clk(crtc, mode);
if (err) {
dev_err(dc->dev, "failed to setup clock for CRTC: %d\n", err);
@ -896,6 +893,8 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc)
unsigned int syncpt;
unsigned long value;
drm_crtc_vblank_off(crtc);
/* hardware initialization */
reset_control_deassert(dc->rst);
usleep_range(10000, 20000);
@ -943,7 +942,7 @@ static void tegra_crtc_commit(struct drm_crtc *crtc)
value = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL);
drm_vblank_post_modeset(crtc->dev, dc->pipe);
drm_crtc_vblank_on(crtc);
}
static void tegra_crtc_load_lut(struct drm_crtc *crtc)