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54 lines
2.0 KiB
Diff
54 lines
2.0 KiB
Diff
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From ac0e3e24176b77fa19a7a2e041879f6c5e652122 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Mon, 29 Nov 2021 12:18:39 +0100
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Subject: [PATCH] drm/vc4: hvs: Store channel in variable
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The assigned_channel field of our vc4_crtc_state structure is accessed
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multiple times in vc4_hvs_atomic_flush, so let's move it to a variable
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that can be used in all those places.
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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_hvs.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_hvs.c
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+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
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@@ -674,6 +674,7 @@ void vc4_hvs_atomic_flush(struct drm_crt
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struct drm_device *dev = crtc->dev;
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struct vc4_dev *vc4 = to_vc4_dev(dev);
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struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state);
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+ unsigned int channel = vc4_state->assigned_channel;
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struct drm_plane *plane;
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struct vc4_plane_state *vc4_plane_state;
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bool debug_dump_regs = false;
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@@ -714,8 +715,8 @@ void vc4_hvs_atomic_flush(struct drm_crt
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/* This sets a black background color fill, as is the case
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* with other DRM drivers.
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*/
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- HVS_WRITE(SCALER_DISPBKGNDX(vc4_state->assigned_channel),
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- HVS_READ(SCALER_DISPBKGNDX(vc4_state->assigned_channel)) |
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+ HVS_WRITE(SCALER_DISPBKGNDX(channel),
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+ HVS_READ(SCALER_DISPBKGNDX(channel)) |
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SCALER_DISPBKGND_FILL);
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/* Only update DISPLIST if the CRTC was already running and is not
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@@ -729,7 +730,7 @@ void vc4_hvs_atomic_flush(struct drm_crt
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vc4_hvs_update_dlist(crtc);
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if (crtc->state->color_mgmt_changed) {
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- u32 dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(vc4_state->assigned_channel));
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+ u32 dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(channel));
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if (crtc->state->gamma_lut) {
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if (!vc4->hvs->hvs5) {
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@@ -752,7 +753,7 @@ void vc4_hvs_atomic_flush(struct drm_crt
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if (!vc4->hvs->hvs5)
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dispbkgndx &= ~SCALER_DISPBKGND_GAMMA;
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}
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- HVS_WRITE(SCALER_DISPBKGNDX(vc4_state->assigned_channel), dispbkgndx);
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+ HVS_WRITE(SCALER_DISPBKGNDX(channel), dispbkgndx);
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}
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if (debug_dump_regs) {
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