diff options
| author | Fabien DESSENNE <fabien.dessenne@st.com> | 2016-12-05 18:09:32 +0300 |
|---|---|---|
| committer | Vincent Abriou <vincent.abriou@st.com> | 2017-01-06 17:12:03 +0300 |
| commit | 49fb560a7bf5cd3d351c5a9ac945d9dc09b15d4e (patch) | |
| tree | 0137507ee0197d88b9b889e2f8592ddb21efe22b /drivers/gpu/drm/sti | |
| parent | dd841870d0f5d170175b25083365e4e3024c2d3b (diff) | |
| download | linux-49fb560a7bf5cd3d351c5a9ac945d9dc09b15d4e.tar.xz | |
drm/sti: load XP70 firmware only once
When a plane is enabled, after having been disabled, do not reload XP70
firmware again, but only register VTG again
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/sti')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_hqvdp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index f88130f2eb48..a547723bc7d2 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -332,6 +332,7 @@ struct sti_hqvdp_cmd { * @hqvdp_cmd_paddr: physical address of hqvdp_cmd * @vtg: vtg for main data path * @xp70_initialized: true if xp70 is already initialized + * @vtg_registered: true if registered to VTG */ struct sti_hqvdp { struct device *dev; @@ -347,6 +348,7 @@ struct sti_hqvdp { u32 hqvdp_cmd_paddr; struct sti_vtg *vtg; bool xp70_initialized; + bool vtg_registered; }; #define to_sti_hqvdp(x) container_of(x, struct sti_hqvdp, plane) @@ -771,7 +773,7 @@ static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp) DRM_ERROR("XP70 could not revert to idle\n"); hqvdp->plane.status = STI_PLANE_DISABLED; - hqvdp->xp70_initialized = false; + hqvdp->vtg_registered = false; } /** @@ -1064,10 +1066,11 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, return -EINVAL; } - if (!hqvdp->xp70_initialized) { + if (!hqvdp->xp70_initialized) /* Start HQVDP XP70 coprocessor */ sti_hqvdp_start_xp70(hqvdp); + if (!hqvdp->vtg_registered) { /* Prevent VTG shutdown */ if (clk_prepare_enable(hqvdp->clk_pix_main)) { DRM_ERROR("Failed to prepare/enable pix main clk\n"); @@ -1081,6 +1084,7 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, DRM_ERROR("Cannot register VTG notifier\n"); return -EINVAL; } + hqvdp->vtg_registered = true; } DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", |