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[185.243.124.10]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49ff069ceebsm1872715e9.3.2026.09.24.13.00.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 13:00:38 -0700 (PDT) Date: Thu, 24 Sep 2026 22:00:35 +0200 From: Petr Vorel To: david@ixit.cz Cc: Dzmitry Sankouski , Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Abel Vesa , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2 03/11] drm/panel: s6e3ha8: Really assert reset on the failure Message-ID: <20260924200035.GA194087@pevik> Reply-To: Petr Vorel References: <20260924-crosshatch-panel-v2-0-08d5c7bf72fc@ixit.cz> <20260924-crosshatch-panel-v2-3-08d5c7bf72fc@ixit.cz> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260924-crosshatch-panel-v2-3-08d5c7bf72fc@ixit.cz> Hi all, LGTM. Reviewed-by: Petr Vorel Kind regards, Petr > Due to incorrect implementation 0 == asserted, thus when driver fails it > needs to assert reset. > Minimal fix for stable; the polarity convention is corrected properly > later in this series. > Fixes: 779679d3c1640 ("drm/panel: Add support for S6E3HA8 panel driver") > Cc: stable@vger.kernel.org > Assisted-by: LLM > Reviewed-by: Neil Armstrong > Signed-off-by: David Heidelberg > --- > drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c > index 078523df48860..835121b322f4a 100644 > --- a/drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c > +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c > @@ -179,17 +179,17 @@ static int s6e3ha8_amb577px01_wqhd_prepare(struct drm_panel *panel) > ret = regulator_bulk_enable(ARRAY_SIZE(s6e3ha8_supplies), priv->supplies); > if (ret < 0) > return ret; > mipi_dsi_msleep(&ctx, 120); > s6e3ha8_amb577px01_wqhd_reset(priv); > ret = s6e3ha8_amb577px01_wqhd_on(priv); > if (ret < 0) { > - gpiod_set_value_cansleep(priv->reset_gpio, 1); > + gpiod_set_value_cansleep(priv->reset_gpio, 0); > goto err; > } > drm_dsc_pps_payload_pack(&pps, &priv->dsc); > samsung_dsi_test_key_on_lvl1(&ctx); > mipi_dsi_picture_parameter_set_multi(&ctx, &pps); > samsung_dsi_test_key_off_lvl1(&ctx);