]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
clk: qcom: mmcc-sdm660: Add missing MDSS reset
authorAlexey Minnekhanov <alexeymin@postmarketos.org>
Sun, 16 Nov 2025 01:12:34 +0000 (04:12 +0300)
committerBjorn Andersson <andersson@kernel.org>
Tue, 18 Nov 2025 16:29:03 +0000 (10:29 -0600)
Add offset for display subsystem reset in multimedia clock controller
block, which is necessary to reset display when there is some
configuration in display controller left by previous stock (Android)
bootloader to provide continuous splash functionaluty.

Before 6.17 power domains were turned off for long enough to clear
registers, now this is not the case and a proper reset is needed to
have functioning display.

Fixes: 0e789b491ba0 ("pmdomain: core: Leave powered-on genpds on until sync_state")
Cc: stable@vger.kernel.org # 6.17
Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org>
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251116-sdm660-mdss-reset-v2-2-6219bec0a97f@postmarketos.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
drivers/clk/qcom/mmcc-sdm660.c

index b723c536dfb6ce4ad0b9fc70345303ac2f691819..dbd3f561dc6d0da1c3a0ca991857712963c21aaf 100644 (file)
@@ -2781,6 +2781,7 @@ static struct gdsc *mmcc_sdm660_gdscs[] = {
 };
 
 static const struct qcom_reset_map mmcc_660_resets[] = {
+       [MDSS_BCR] = { 0x2300 },
        [CAMSS_MICRO_BCR] = { 0x3490 },
 };