From 49fb560a7bf5cd3d351c5a9ac945d9dc09b15d4e Mon Sep 17 00:00:00 2001 From: Fabien DESSENNE Date: Mon, 5 Dec 2016 16:09:32 +0100 Subject: [PATCH] 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 Acked-by: Benjamin Gaignard --- drivers/gpu/drm/sti/sti_hqvdp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index f88130f..a547723 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", -- 2.7.4