linux-kernel - [PATCH v2 18/36] drm/vc4: txp: Move the encoder type in the variant structure

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Message-Id: <20241025-drm-vc4-2712-support-v2-18-35efa83c8fc0@raspberrypi.com>
Date: Fri, 25 Oct 2024 18:15:49 +0100
From: Dave Stevenson <dave.stevenson@...pberrypi.com>
To: Maxime Ripard <mripard@...nel.org>, 
 Maíra Canal <mcanal@...lia.com>, 
 Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, 
 Javier Martinez Canillas <javierm@...hat.com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, 
 Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: [PATCH v2 18/36] drm/vc4: txp: Move the encoder type in the
 variant structure

From: Maxime Ripard <mripard@...nel.org>

We'll have multiple TXP instances in the BCM2712, so we can't use a
single encoder type anymore. Let's tie the encoder type to the
compatible.

Signed-off-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
---
 drivers/gpu/drm/vc4/vc4_drv.h | 1 +
 drivers/gpu/drm/vc4/vc4_txp.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index 34e72e711a17..70b7a771ff47 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -538,6 +538,7 @@ struct vc4_crtc_data {
 
 struct vc4_txp_data {
 	struct vc4_crtc_data	base;
+	enum vc4_encoder_type encoder_type;
 	unsigned int high_addr_ptr_reg;
 	unsigned int has_byte_enable:1;
 	unsigned int size_minus_one:1;
diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c
index c2726ccde1cf..ecd2fc5edf45 100644
--- a/drivers/gpu/drm/vc4/vc4_txp.c
+++ b/drivers/gpu/drm/vc4/vc4_txp.c
@@ -515,6 +515,7 @@ const struct vc4_txp_data bcm2835_txp_data = {
 		.hvs_available_channels = BIT(2),
 		.hvs_output = 2,
 	},
+	.encoder_type = VC4_ENCODER_TYPE_TXP,
 	.has_byte_enable = true,
 };
 
@@ -558,7 +559,7 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
 		return ret;
 
 	vc4_encoder = &txp->encoder;
-	txp->encoder.type = VC4_ENCODER_TYPE_TXP;
+	txp->encoder.type = txp_data->encoder_type;
 
 	encoder = &vc4_encoder->base;
 	encoder->possible_crtcs = drm_crtc_mask(&vc4_crtc->base);

-- 
2.34.1