From 4c4ff43a692b44c6e326f9f28208f3d78ea51f7e Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Fri, 24 May 2013 11:59:17 -0300 Subject: [PATCH] drm/i915: add "enable" argument to intel_update_sprite_watermarks MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Because we want to call it from the "sprite disable" paths, since on Haswell we need to update the sprite watermarks when we disable sprites. For now, all this patch does is to add the "enable" argument and call intel_update_sprite_watermarks from inside ivb_disable_plane. This shouldn't change how the code behaves because on sandybridge_update_sprite_wm we just ignore the "!enable" case. The patches that implement Haswell watermarks will make use of the changes introduced by this patch. Signed-off-by: Paulo Zanoni Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 3 ++- drivers/gpu/drm/i915/intel_drv.h | 2 +- drivers/gpu/drm/i915/intel_pm.c | 11 ++++++++--- drivers/gpu/drm/i915/intel_sprite.c | 8 +++++--- 4 files changed, 16 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f6419f40df38..e09c54c73a22 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -315,7 +315,8 @@ struct drm_i915_display_funcs { int (*get_fifo_size)(struct drm_device *dev, int plane); void (*update_wm)(struct drm_device *dev); void (*update_sprite_wm)(struct drm_device *dev, int pipe, - uint32_t sprite_width, int pixel_size); + uint32_t sprite_width, int pixel_size, + bool enable); void (*modeset_global_resources)(struct drm_device *dev); /* Returns the active state of the crtc, and if the crtc is active, * fills out the pipe-config with the hw state. */ diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 83b4fe4b7be0..3e6e5e7b089f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -731,7 +731,7 @@ extern void intel_ddi_init(struct drm_device *dev, enum port port); extern void intel_update_watermarks(struct drm_device *dev); extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe, uint32_t sprite_width, - int pixel_size); + int pixel_size, bool enable); extern unsigned long intel_gen4_compute_page_offset(int *x, int *y, unsigned int tiling_mode, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fa4c818d4b00..3515efd049dd 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2195,7 +2195,8 @@ sandybridge_compute_sprite_srwm(struct drm_device *dev, int plane, } static void sandybridge_update_sprite_wm(struct drm_device *dev, int pipe, - uint32_t sprite_width, int pixel_size) + uint32_t sprite_width, int pixel_size, + bool enable) { struct drm_i915_private *dev_priv = dev->dev_private; int latency = SNB_READ_WM0_LATENCY() * 100; /* In unit 0.1us */ @@ -2203,6 +2204,9 @@ static void sandybridge_update_sprite_wm(struct drm_device *dev, int pipe, int sprite_wm, reg; int ret; + if (!enable) + return; + switch (pipe) { case 0: reg = WM0_PIPEA_ILK; @@ -2314,13 +2318,14 @@ void intel_update_watermarks(struct drm_device *dev) } void intel_update_sprite_watermarks(struct drm_device *dev, int pipe, - uint32_t sprite_width, int pixel_size) + uint32_t sprite_width, int pixel_size, + bool enable) { struct drm_i915_private *dev_priv = dev->dev_private; if (dev_priv->display.update_sprite_wm) dev_priv->display.update_sprite_wm(dev, pipe, sprite_width, - pixel_size); + pixel_size, enable); } static struct drm_i915_gem_object * diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 19b9cb961b5a..04d38d4d811a 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -114,7 +114,7 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_framebuffer *fb, crtc_w--; crtc_h--; - intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size); + intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true); I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]); I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x); @@ -268,7 +268,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb, crtc_w--; crtc_h--; - intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size); + intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true); /* * IVB workaround: must disable low power watermarks for at least @@ -335,6 +335,8 @@ ivb_disable_plane(struct drm_plane *plane) dev_priv->sprite_scaling_enabled &= ~(1 << pipe); + intel_update_sprite_watermarks(dev, pipe, 0, 0, false); + /* potentially re-enable LP watermarks */ if (scaling_was_enabled && !dev_priv->sprite_scaling_enabled) intel_update_watermarks(dev); @@ -453,7 +455,7 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb, crtc_w--; crtc_h--; - intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size); + intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true); dvsscale = 0; if (IS_GEN5(dev) || crtc_w != src_w || crtc_h != src_h) -- 2.11.0