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| author | Maxime Ripard <maxime@cerno.tech> | 2023-01-26 18:05:46 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2023-02-16 10:24:10 +0100 |
| commit | 89a173dec1b8951696b324880448d781d45f13ca (patch) | |
| tree | dc688c57ba420ce7931921e32dfb7f3c07f22df1 /drivers | |
| parent | f56e0071a6fea6b416943d8736f3128c8b2abed2 (diff) | |
| download | linux-stable-89a173dec1b8951696b324880448d781d45f13ca.tar.gz linux-stable-89a173dec1b8951696b324880448d781d45f13ca.tar.bz2 linux-stable-89a173dec1b8951696b324880448d781d45f13ca.zip | |
drm/vc4: hdmi: Replace hardcoded value by define
The 120MHz value hardcoded in the call to max_t to compute the HSM rate
is defined in the driver as HSM_MIN_CLOCK_FREQ, let's switch to it so
that it's more readable.
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20230126-rpi-display-fw-clk-cleanup-v1-1-d646ff6fb842@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 14628864487a..98fa306dbd24 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1482,7 +1482,9 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder, * Additionally, the AXI clock needs to be at least 25% of * pixel clock, but HSM ends up being the limiting factor. */ - hsm_rate = max_t(unsigned long, 120000000, (tmds_char_rate / 100) * 101); + hsm_rate = max_t(unsigned long, + HSM_MIN_CLOCK_FREQ, + (tmds_char_rate / 100) * 101); ret = clk_set_min_rate(vc4_hdmi->hsm_clock, hsm_rate); if (ret) { DRM_ERROR("Failed to set HSM clock rate: %d\n", ret); |