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path: root/drivers/gpu/drm/meson/meson_venc_cvbs.c
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Diffstat (limited to 'drivers/gpu/drm/meson/meson_venc_cvbs.c')
-rw-r--r--drivers/gpu/drm/meson/meson_venc_cvbs.c72
1 files changed, 39 insertions, 33 deletions
diff --git a/drivers/gpu/drm/meson/meson_venc_cvbs.c b/drivers/gpu/drm/meson/meson_venc_cvbs.c
index 6313a519f257..1bd6b6d15ffb 100644
--- a/drivers/gpu/drm/meson/meson_venc_cvbs.c
+++ b/drivers/gpu/drm/meson/meson_venc_cvbs.c
@@ -9,19 +9,18 @@
* Jasper St. Pierre <jstpierre@mecheye.net>
*/
-#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/of_graph.h>
-#include <drm/drmP.h>
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_device.h>
#include <drm/drm_edid.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_print.h>
-#include "meson_venc_cvbs.h"
-#include "meson_venc.h"
-#include "meson_vclk.h"
#include "meson_registers.h"
+#include "meson_vclk.h"
+#include "meson_venc_cvbs.h"
/* HHI VDAC Registers */
#define HHI_VDAC_CNTL0 0x2F4 /* 0xbd offset in data sheet */
@@ -65,6 +64,25 @@ struct meson_cvbs_mode meson_cvbs_modes[MESON_CVBS_MODES_COUNT] = {
},
};
+static const struct meson_cvbs_mode *
+meson_cvbs_get_mode(const struct drm_display_mode *req_mode)
+{
+ int i;
+
+ for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
+ struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
+
+ if (drm_mode_match(req_mode, &meson_mode->mode,
+ DRM_MODE_MATCH_TIMINGS |
+ DRM_MODE_MATCH_CLOCK |
+ DRM_MODE_MATCH_FLAGS |
+ DRM_MODE_MATCH_3D_FLAGS))
+ return meson_mode;
+ }
+
+ return NULL;
+}
+
/* Connector */
static void meson_cvbs_connector_destroy(struct drm_connector *connector)
@@ -137,14 +155,8 @@ static int meson_venc_cvbs_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
{
- int i;
-
- for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
- struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
-
- if (drm_mode_equal(&crtc_state->mode, &meson_mode->mode))
- return 0;
- }
+ if (meson_cvbs_get_mode(&crtc_state->mode))
+ return 0;
return -EINVAL;
}
@@ -156,7 +168,7 @@ static void meson_venc_cvbs_encoder_disable(struct drm_encoder *encoder)
struct meson_drm *priv = meson_venc_cvbs->priv;
/* Disable CVBS VDAC */
- if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0);
regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0);
} else {
@@ -172,16 +184,17 @@ static void meson_venc_cvbs_encoder_enable(struct drm_encoder *encoder)
struct meson_drm *priv = meson_venc_cvbs->priv;
/* VDAC0 source is not from ATV */
- writel_bits_relaxed(BIT(5), 0, priv->io_base + _REG(VENC_VDAC_DACSEL0));
+ writel_bits_relaxed(VENC_VDAC_SEL_ATV_DMD, 0,
+ priv->io_base + _REG(VENC_VDAC_DACSEL0));
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) {
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
regmap_write(priv->hhi, HHI_VDAC_CNTL0, 1);
regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL)) {
regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0xf0001);
regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0x906001);
regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0);
}
@@ -191,24 +204,17 @@ static void meson_venc_cvbs_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
+ const struct meson_cvbs_mode *meson_mode = meson_cvbs_get_mode(mode);
struct meson_venc_cvbs *meson_venc_cvbs =
encoder_to_meson_venc_cvbs(encoder);
struct meson_drm *priv = meson_venc_cvbs->priv;
- int i;
-
- for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
- struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
- if (drm_mode_equal(mode, &meson_mode->mode)) {
- meson_venci_cvbs_mode_set(priv,
- meson_mode->enci);
+ if (meson_mode) {
+ meson_venci_cvbs_mode_set(priv, meson_mode->enci);
- /* Setup 27MHz vclk2 for ENCI and VDAC */
- meson_vclk_setup(priv, MESON_VCLK_TARGET_CVBS,
- MESON_VCLK_CVBS, MESON_VCLK_CVBS,
- MESON_VCLK_CVBS, true);
- break;
- }
+ /* Setup 27MHz vclk2 for ENCI and VDAC */
+ meson_vclk_setup(priv, MESON_VCLK_TARGET_CVBS, MESON_VCLK_CVBS,
+ MESON_VCLK_CVBS, MESON_VCLK_CVBS, true);
}
}
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