diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-04-29 21:54:55 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-05-04 18:44:52 +0300 |
| commit | d19b29be653691a179e54aafc84fc40667a63ee7 (patch) | |
| tree | 6ee8aba0281530763728a352f029e4864beb0add /drivers | |
| parent | dab3aff7b1a503819c68e38f51b3dcc0508b35cd (diff) | |
| download | linux-d19b29be653691a179e54aafc84fc40667a63ee7.tar.bz2 | |
drm/i915: Nuke mode.vrefresh usage
mode.vrefresh is rounded to the nearest integer. You don't want to use
it anywhere that requires precision. Also I want to nuke it.
vtotal*vrefresh == 1000*clock/htotal, so let's use the latter.
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200429185457.26235-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_audio.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index 36aaee8536f1..f5686e50833f 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -524,14 +524,12 @@ static unsigned int get_hblank_early_enable_config(struct intel_encoder *encoder unsigned int link_clks_available, link_clks_required; unsigned int tu_data, tu_line, link_clks_active; unsigned int hblank_rise, hblank_early_prog; - unsigned int h_active, h_total, hblank_delta, pixel_clk, v_total; - unsigned int fec_coeff, refresh_rate, cdclk, vdsc_bpp; + unsigned int h_active, h_total, hblank_delta, pixel_clk; + unsigned int fec_coeff, cdclk, vdsc_bpp; h_active = crtc_state->hw.adjusted_mode.crtc_hdisplay; h_total = crtc_state->hw.adjusted_mode.crtc_htotal; - v_total = crtc_state->hw.adjusted_mode.crtc_vtotal; pixel_clk = crtc_state->hw.adjusted_mode.crtc_clock; - refresh_rate = crtc_state->hw.adjusted_mode.vrefresh; vdsc_bpp = crtc_state->dsc.compressed_bpp; cdclk = i915->cdclk.hw.cdclk; /* fec= 0.972261, using rounding multiplier of 1000000 */ @@ -549,9 +547,7 @@ static unsigned int get_hblank_early_enable_config(struct intel_encoder *encoder link_clks_available = ((((h_total - h_active) * ((crtc_state->port_clock * ROUNDING_FACTOR) / pixel_clk)) / ROUNDING_FACTOR) - 28); - - link_clks_required = DIV_ROUND_UP(192000, (refresh_rate * - v_total)) * ((48 / + link_clks_required = DIV_ROUND_UP(192000, (1000 * pixel_clk / h_total)) * ((48 / crtc_state->lane_count) + 2); if (link_clks_available > link_clks_required) |