linux-kernel - [PATCH v3 098/105] drm/vc4: hdmi: Remove register dumps in enable

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Message-Id: <b18fa139a3d96c334954175748efbc656d6c53fc.1590594512.git-series.maxime@cerno.tech>
Date:   Wed, 27 May 2020 17:49:08 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Eric Anholt <eric@...olt.net>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>,
        Maxime Ripard <maxime@...no.tech>
Subject: [PATCH v3 098/105] drm/vc4: hdmi: Remove register dumps in enable

The current code has some logic, disabled by default, to dump the register
setup in the HDMI controller.

However, since we're going to split those functions in multiple, shorter,
functions that only make sense where they are called in sequence, keeping
the register dump makes little sense.

Signed-off-by: Maxime Ripard <maxime@...no.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 5ad983ce87d1..4b23d589377a 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -430,7 +430,6 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder)
 	struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
 	struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
 	struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
-	bool debug_dump_regs = false;
 	unsigned long pixel_rate, hsm_rate;
 	int ret;
 
@@ -489,14 +488,6 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder)
 	if (vc4_hdmi->variant->phy_init)
 		vc4_hdmi->variant->phy_init(vc4_hdmi, mode);
 
-	if (debug_dump_regs) {
-		struct drm_printer p = drm_info_printer(&vc4_hdmi->pdev->dev);
-
-		dev_info(&vc4_hdmi->pdev->dev, "HDMI regs before:\n");
-		drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
-		drm_print_regset32(&p, &vc4_hdmi->hd_regset);
-	}
-
 	HDMI_WRITE(HDMI_VID_CTL, 0);
 
 	HDMI_WRITE(HDMI_SCHEDULER_CONTROL,
@@ -522,14 +513,6 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder)
 
 	HDMI_WRITE(HDMI_FIFO_CTL, VC4_HDMI_FIFO_CTL_MASTER_SLAVE_N);
 
-	if (debug_dump_regs) {
-		struct drm_printer p = drm_info_printer(&vc4_hdmi->pdev->dev);
-
-		dev_info(&vc4_hdmi->pdev->dev, "HDMI regs after:\n");
-		drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
-		drm_print_regset32(&p, &vc4_hdmi->hd_regset);
-	}
-
 	HDMI_WRITE(HDMI_VID_CTL,
 		   HDMI_READ(HDMI_VID_CTL) |
 		   VC4_HD_VID_CTL_ENABLE |
-- 
git-series 0.9.1