diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-07 12:10:57 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-08 14:23:38 +0300 |
| commit | f2c9df101095bfef7682caec8a5fa7d4f3b29182 (patch) | |
| tree | 41cc03ca68483d9f2853bab975a0d82500b89f74 | |
| parent | c46af5621adc766cf1a7cac300d577a39849862f (diff) | |
drm/i915: Round TMDS clock to nearest
Use round-to-nearest behavour when calculating the TMDS clock.
Matches what we do for most other clock related things.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907091057.11572-18-ville.syrjala@linux.intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index c57b5b1d6940..b0261d0e5228 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -4505,7 +4505,8 @@ int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config) dotclock = intel_dotclock_calculate(pipe_config->port_clock, &pipe_config->dp_m_n); else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24) - dotclock = pipe_config->port_clock * 24 / pipe_config->pipe_bpp; + dotclock = DIV_ROUND_CLOSEST(pipe_config->port_clock * 24, + pipe_config->pipe_bpp); else dotclock = pipe_config->port_clock; diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 09f85afeb2d4..7816b2a33fee 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1892,7 +1892,7 @@ int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output) * 1.5x for 12bpc * 1.25x for 10bpc */ - return clock * bpc / 8; + return DIV_ROUND_CLOSEST(clock * bpc, 8); } static bool intel_hdmi_source_bpc_possible(struct drm_i915_private *i915, int bpc) |