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drm/i915/fbc: Extract intel_fbc_max_plane_size()

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Extract intel_fbc_max_plane_size() from intel_fbc_plane_size_valid().
We'll have another use for this soon in determining how much stolen
memory we'd like to keep reserved for FBC.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240705145254.3355-5-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä 2024-07-05 17:52:38 +03:00
parent 6c9ee258b1
commit a5beee6524
1 changed files with 21 additions and 14 deletions
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35
drivers/gpu/drm/i915/display/intel_fbc.c
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@ -1109,25 +1109,32 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state *
return effective_w <= max_w && effective_h <= max_h;
}
static void intel_fbc_max_plane_size(struct intel_display *display,
unsigned int *w, unsigned int *h)
{
struct drm_i915_private *i915 = to_i915(display->drm);
if (DISPLAY_VER(display) >= 10) {
*w = 5120;
*h = 4096;
} else if (DISPLAY_VER(display) >= 8 || IS_HASWELL(i915)) {
*w = 4096;
*h = 4096;
} else if (IS_G4X(i915) || DISPLAY_VER(display) >= 5) {
*w = 4096;
*h = 2048;
} else {
*w = 2048;
*h = 1536;
}
}
static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)
{
struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);
struct drm_i915_private *i915 = to_i915(display->drm);
unsigned int w, h, max_w, max_h;
if (DISPLAY_VER(display) >= 10) {
max_w = 5120;
max_h = 4096;
} else if (DISPLAY_VER(display) >= 8 || IS_HASWELL(i915)) {
max_w = 4096;
max_h = 4096;
} else if (IS_G4X(i915) || DISPLAY_VER(display) >= 5) {
max_w = 4096;
max_h = 2048;
} else {
max_w = 2048;
max_h = 1536;
}
intel_fbc_max_plane_size(display, &max_w, &max_h);
w = drm_rect_width(&plane_state->uapi.src) >> 16;
h = drm_rect_height(&plane_state->uapi.src) >> 16;