summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-01 09:51:29 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-01 09:51:29 +0100
commitebbbf3c8df3ab52219c2b21e0d37e02acea2510d (patch)
tree7f1fa62f6d9de23db96021995d1498ea07e24ea6 /drivers/gpu/drm/i915/display
parent46c7ff71b4b4638b172c9747c4e556bd8f98bad2 (diff)
parent097aa9a71fd56cdc62c11bdf45a84f07acaa3604 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/display')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ad0306283990c..ba29efae986de 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1603,6 +1603,12 @@ int intel_dp_rate_select(struct intel_dp *intel_dp, int rate)
void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
u8 *link_bw, u8 *rate_select)
{
+ struct intel_display *display = to_intel_display(intel_dp);
+
+ /* FIXME g4x can't generate an exact 2.7GHz with the 96MHz non-SSC refclk */
+ if (display->platform.g4x && port_clock == 268800)
+ port_clock = 270000;
+
/* eDP 1.4 rate select method. */
if (intel_dp->use_rate_select) {
*link_bw = 0;