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57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
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From e8dbad6d506b6fac992fdf74a7e3a66a38e554c3 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Thu, 27 Apr 2023 09:30:33 +0200
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Subject: [PATCH] drm/vc4: txp: Add byte enable toggle bit
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The MOPLET doesn't have the BYTE_ENABLE field to set, but the TXP and
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MOP do, so let's add a boolean to control whether or not we need to set
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it.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_drv.h | 1 +
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drivers/gpu/drm/vc4/vc4_txp.c | 6 +++++-
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2 files changed, 6 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_drv.h
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+++ b/drivers/gpu/drm/vc4/vc4_drv.h
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@@ -563,6 +563,7 @@ struct vc4_crtc_data {
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struct vc4_txp_data {
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struct vc4_crtc_data base;
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+ unsigned int has_byte_enable:1;
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};
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extern const struct vc4_txp_data bcm2835_txp_data;
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--- a/drivers/gpu/drm/vc4/vc4_txp.c
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+++ b/drivers/gpu/drm/vc4/vc4_txp.c
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@@ -291,6 +291,7 @@ static void vc4_txp_connector_atomic_com
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struct drm_connector_state *conn_state = drm_atomic_get_new_connector_state(state,
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conn);
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struct vc4_txp *txp = connector_to_vc4_txp(conn);
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+ const struct vc4_txp_data *txp_data = txp->data;
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struct drm_gem_dma_object *gem;
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struct drm_display_mode *mode;
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struct drm_framebuffer *fb;
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@@ -313,9 +314,11 @@ static void vc4_txp_connector_atomic_com
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return;
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ctrl = TXP_GO | TXP_EI |
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- VC4_SET_FIELD(0xf, TXP_BYTE_ENABLE) |
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VC4_SET_FIELD(txp_fmts[i], TXP_FORMAT);
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+ if (txp_data->has_byte_enable)
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+ ctrl |= VC4_SET_FIELD(0xf, TXP_BYTE_ENABLE);
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+
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if (fb->format->has_alpha)
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ctrl |= TXP_ALPHA_ENABLE;
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else
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@@ -496,6 +499,7 @@ const struct vc4_txp_data bcm2835_txp_da
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.hvs_available_channels = BIT(2),
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.hvs_output = 2,
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},
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+ .has_byte_enable = true,
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};
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static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
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