hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/i915/dsi: move wait_for_dsi_fifo_empty to intel_dsi.c 

wait_for_dsi_fifo_empty can be static in intel_dsi.c. No functional
changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2015-01-16 14:27:18 +02:00 committed by Daniel Vetter
parent 4934b65682
commit 3b1808bf56
3 changed files with 16 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -42,6 +42,22 @@ static const struct intel_dsi_device intel_dsi_devices[] = {
},
};
static void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi)
{
struct drm_encoder *encoder = &intel_dsi->base.base;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
enum port port = intel_dsi_pipe_to_port(intel_crtc->pipe);
u32 mask;
mask = LP_CTRL_FIFO_EMPTY | HS_CTRL_FIFO_EMPTY |
LP_DATA_FIFO_EMPTY | HS_DATA_FIFO_EMPTY;
if (wait_for((I915_READ(MIPI_GEN_FIFO_STAT(port)) & mask) == mask, 100))
DRM_ERROR("DPI FIFOs are not empty\n");
}
static void band_gap_reset(struct drm_i915_private *dev_priv)
{
mutex_lock(&dev_priv->dpio_lock);

16
drivers/gpu/drm/i915/intel_dsi_cmd.c
View File

@ -408,19 +408,3 @@ int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs, enum port port)
return 0;
}
void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi)
{
struct drm_encoder *encoder = &intel_dsi->base.base;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
enum port port = intel_dsi_pipe_to_port(intel_crtc->pipe);
u32 mask;
mask = LP_CTRL_FIFO_EMPTY | HS_CTRL_FIFO_EMPTY |
LP_DATA_FIFO_EMPTY | HS_DATA_FIFO_EMPTY;
if (wait_for((I915_READ(MIPI_GEN_FIFO_STAT(port)) & mask) == mask, 100))
DRM_ERROR("DPI FIFOs are not empty\n");
}

1
drivers/gpu/drm/i915/intel_dsi_cmd.h
View File

@ -52,7 +52,6 @@ int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel,
u8 *reqdata, int reqlen, u8 *buf, int buflen, enum port port);
int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs, enum port port);
void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi);
/* XXX: questionable write helpers */
static inline int dsi_vc_dcs_write_0(struct intel_dsi *intel_dsi,