mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-13 18:49:22 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915:vrr: Separate out functions to compute vmin and vmax

Browse Source 
Make helpers to compute vmin and vmax.

v2: Make the adjusted mode const (Ville)
Use reverse xmas tree order of declarations. (Ville)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311093751.1329043-3-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal
2025-03-11 15:07:45 +05:30
parent 03710f3d06
commit 022d04b355
1 changed files with 30 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/gpu/drm/i915/display/intel_vrr.c
View File

@@ -222,6 +222,34 @@ cmrr_get_vtotal(struct intel_crtc_state *crtc_state, bool video_mode_required)
return vtotal;
}
static
int intel_vrr_compute_vmin(struct intel_connector *connector,
const struct drm_display_mode *adjusted_mode)
{
const struct drm_display_info *info = &connector->base.display_info;
int vmin;
vmin = DIV_ROUND_UP(adjusted_mode->crtc_clock * 1000,
adjusted_mode->crtc_htotal * info->monitor_range.max_vfreq);
vmin = max_t(int, vmin, adjusted_mode->crtc_vtotal);
return vmin;
}
static
int intel_vrr_compute_vmax(struct intel_connector *connector,
const struct drm_display_mode *adjusted_mode)
{
const struct drm_display_info *info = &connector->base.display_info;
int vmax;
vmax = adjusted_mode->crtc_clock * 1000 /
(adjusted_mode->crtc_htotal * info->monitor_range.min_vfreq);
vmax = max_t(int, vmax, adjusted_mode->crtc_vtotal);
return vmax;
}
void
intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
@@ -232,7 +260,6 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
struct intel_dp *intel_dp = intel_attached_dp(connector);
bool is_edp = intel_dp_is_edp(intel_dp);
struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
const struct drm_display_info *info = &connector->base.display_info;
int vmin, vmax;
/*
@@ -253,13 +280,8 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
if (HAS_LRR(display))
crtc_state->update_lrr = true;
vmin = DIV_ROUND_UP(adjusted_mode->crtc_clock * 1000,
adjusted_mode->crtc_htotal * info->monitor_range.max_vfreq);
vmax = adjusted_mode->crtc_clock * 1000 /
(adjusted_mode->crtc_htotal * info->monitor_range.min_vfreq);
vmin = max_t(int, vmin, adjusted_mode->crtc_vtotal);
vmax = max_t(int, vmax, adjusted_mode->crtc_vtotal);
vmin = intel_vrr_compute_vmin(connector, adjusted_mode);
vmax = intel_vrr_compute_vmax(connector, adjusted_mode);
if (vmin >= vmax)
return;