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Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes

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Just regression fixups to resolve page fault issue of DECON device.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos/decon5433: set STANDALONE_UPDATE_F on output enablement
  drm/exynos/decon5433: fix CMU programming
  drm/exynos/decon5433: do not disable video after reset
  drm/exynos/decon5433: set STANDALONE_UPDATE_F also if planes are disabled
  drm/exynos/decon5433: update shadow registers iff there are active windows
This commit is contained in:
Dave Airlie 2017-01-23 09:14:36 +10:00
commit 2e76f85690
1 changed files with 6 additions and 9 deletions
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15
drivers/gpu/drm/exynos/exynos5433_drm_decon.c
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@ -46,7 +46,8 @@ enum decon_flag_bits {
BIT_CLKS_ENABLED,
BIT_IRQS_ENABLED,
BIT_WIN_UPDATED,
BIT_SUSPENDED
BIT_SUSPENDED,
BIT_REQUEST_UPDATE
};
struct decon_context {
@ -141,12 +142,6 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
m->crtc_vsync_end = m->crtc_vsync_start + 1;
}
decon_set_bits(ctx, DECON_VIDCON0, VIDCON0_ENVID, 0);
/* enable clock gate */
val = CMU_CLKGAGE_MODE_SFR_F | CMU_CLKGAGE_MODE_MEM_F;
writel(val, ctx->addr + DECON_CMU);
if (ctx->out_type & (IFTYPE_I80 | I80_HW_TRG))
decon_setup_trigger(ctx);
@ -315,6 +310,7 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
/* window enable */
decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0);
set_bit(BIT_REQUEST_UPDATE, &ctx->flags);
}
static void decon_disable_plane(struct exynos_drm_crtc *crtc,
@ -327,6 +323,7 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc,
return;
decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
set_bit(BIT_REQUEST_UPDATE, &ctx->flags);
}
static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
@ -340,8 +337,8 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
for (i = ctx->first_win; i < WINDOWS_NR; i++)
decon_shadow_protect_win(ctx, i, false);
/* standalone update */
decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
if (test_and_clear_bit(BIT_REQUEST_UPDATE, &ctx->flags))
decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
if (ctx->out_type & IFTYPE_I80)
set_bit(BIT_WIN_UPDATED, &ctx->flags);