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drm/i915/gen9: Calculate plane WM's from state

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In a future patch we'll want to calculate plane watermarks for in-flight
atomic state rather than the already-committed state.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463061971-19638-12-git-send-email-matthew.d.roper@intel.com
This commit is contained in:
Matt Roper 2016-05-12 07:06:05 -07:00
parent a6d3460e62
commit 33815fa55b
1 changed files with 8 additions and 8 deletions
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16
drivers/gpu/drm/i915/intel_pm.c
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@ -3240,16 +3240,14 @@ static bool skl_ddb_allocation_changed(const struct skl_ddb_allocation *new_ddb,
static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
struct intel_crtc_state *cstate,
struct intel_plane *intel_plane,
struct intel_plane_state *intel_pstate,
uint16_t ddb_allocation,
int level,
uint16_t *out_blocks, /* out */
uint8_t *out_lines /* out */)
{
struct drm_plane *plane = &intel_plane->base;
struct drm_framebuffer *fb = plane->state->fb;
struct intel_plane_state *intel_pstate =
to_intel_plane_state(plane->state);
struct drm_plane_state *pstate = &intel_pstate->base;
struct drm_framebuffer *fb = pstate->fb;
uint32_t latency = dev_priv->wm.skl_latency[level];
uint32_t method1, method2;
uint32_t plane_bytes_per_line, plane_blocks_per_line;
@ -3264,7 +3262,7 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
width = drm_rect_width(&intel_pstate->src) >> 16;
height = drm_rect_height(&intel_pstate->src) >> 16;
if (intel_rotation_90_or_270(plane->state->rotation))
if (intel_rotation_90_or_270(pstate->rotation))
swap(width, height);
cpp = drm_format_plane_cpp(fb->pixel_format, 0);
@ -3284,7 +3282,7 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) {
uint32_t min_scanlines = 4;
uint32_t y_tile_minimum;
if (intel_rotation_90_or_270(plane->state->rotation)) {
if (intel_rotation_90_or_270(pstate->rotation)) {
int cpp = (fb->pixel_format == DRM_FORMAT_NV12) ?
drm_format_plane_cpp(fb->pixel_format, 1) :
drm_format_plane_cpp(fb->pixel_format, 0);
@ -3338,17 +3336,19 @@ static void skl_compute_wm_level(const struct drm_i915_private *dev_priv,
struct drm_device *dev = dev_priv->dev;
struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
struct intel_plane *intel_plane;
struct intel_plane_state *intel_pstate;
uint16_t ddb_blocks;
enum pipe pipe = intel_crtc->pipe;
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
int i = skl_wm_plane_id(intel_plane);
intel_pstate = to_intel_plane_state(intel_plane->base.state);
ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][i]);
result->plane_en[i] = skl_compute_plane_wm(dev_priv,
cstate,
intel_plane,
intel_pstate,
ddb_blocks,
level,
&result->plane_res_b[i],