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Subject[PATCH 5/6] drm: vkms: Prepare `vkms_wb_encoder_atomic_check` to accept multiple formats
Date
Currently, the vkms atomic check only goes through the first position of
the `vkms_wb_formats` vector.

This change prepares the atomic_check to check the entire vector.

Signed-off-by: Igor Matheus Andrade Torrente <igormtorrente@gmail.com>
---
drivers/gpu/drm/vkms/vkms_writeback.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c
index 5a3e12f105dc..56978f499203 100644
--- a/drivers/gpu/drm/vkms/vkms_writeback.c
+++ b/drivers/gpu/drm/vkms/vkms_writeback.c
@@ -30,6 +30,8 @@ static int vkms_wb_encoder_atomic_check(struct drm_encoder *encoder,
{
struct drm_framebuffer *fb;
const struct drm_display_mode *mode = &crtc_state->mode;
+ bool format_supported = false;
+ int i;

if (!conn_state->writeback_job || !conn_state->writeback_job->fb)
return 0;
@@ -41,7 +43,14 @@ static int vkms_wb_encoder_atomic_check(struct drm_encoder *encoder,
return -EINVAL;
}

- if (fb->format->format != vkms_wb_formats[0]) {
+ for (i = 0; i < ARRAY_SIZE(vkms_wb_formats); i++) {
+ if (fb->format->format == vkms_wb_formats[i]) {
+ format_supported = true;
+ break;
+ }
+ }
+
+ if (!format_supported) {
DRM_DEBUG_KMS("Invalid pixel format %p4cc\n",
&fb->format->format);
return -EINVAL;
--
2.30.2
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