diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_kms.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_kms.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 0a6347c05df4..8fbeecdf2ec4 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -396,8 +396,8 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state) if (vc4->is_vc5) { unsigned long state_rate = max(old_hvs_state->core_clock_rate, new_hvs_state->core_clock_rate); - unsigned long core_rate = max_t(unsigned long, - 500000000, state_rate); + unsigned long core_rate = clamp_t(unsigned long, state_rate, + 500000000, hvs->max_core_rate); drm_dbg(dev, "Raising the core clock at %lu Hz\n", core_rate); @@ -431,14 +431,17 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_cleanup_planes(dev, state); if (vc4->is_vc5) { - drm_dbg(dev, "Running the core clock at %lu Hz\n", - new_hvs_state->core_clock_rate); + unsigned long core_rate = min_t(unsigned long, + hvs->max_core_rate, + new_hvs_state->core_clock_rate); + + drm_dbg(dev, "Running the core clock at %lu Hz\n", core_rate); /* * Request a clock rate based on the current HVS * requirements. */ - WARN_ON(clk_set_min_rate(hvs->core_clk, new_hvs_state->core_clock_rate)); + WARN_ON(clk_set_min_rate(hvs->core_clk, core_rate)); drm_dbg(dev, "Core clock actual rate: %lu Hz\n", clk_get_rate(hvs->core_clk)); |