From: Eric Anholt <eric@anholt.net> To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, David Airlie <airlied@linux.ie>, Eric Anholt <eric@anholt.net> Subject: [PATCH 6/6] drm/vc4: Initialize scaler DISPBKGND on modeset. Date: Tue, 16 Feb 2016 13:20:19 -0800 [thread overview] Message-ID: <1455657619-12030-7-git-send-email-eric@anholt.net> (raw) In-Reply-To: <1455657619-12030-1-git-send-email-eric@anholt.net> We weren't updating the interlaced bit, so we'd scan out incorrectly if the firmware had brought up the TV encoder and we were switching to HDMI. Signed-off-by: Eric Anholt <eric@anholt.net> --- drivers/gpu/drm/vc4/vc4_crtc.c | 6 ++++++ drivers/gpu/drm/vc4/vc4_regs.h | 14 ++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 89562904..66499e3 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -188,6 +188,8 @@ static int vc4_get_clock_select(struct drm_crtc *crtc) static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) { + struct drm_device *dev = crtc->dev; + struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct drm_crtc_state *state = crtc->state; struct drm_display_mode *mode = &state->adjusted_mode; @@ -256,6 +258,10 @@ static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) PV_CONTROL_FIFO_CLR | PV_CONTROL_EN); + HVS_WRITE(SCALER_DISPBKGNDX(vc4_crtc->channel), + SCALER_DISPBKGND_AUTOHS | + (interlace ? SCALER_DISPBKGND_INTERLACE : 0)); + if (debug_dump_regs) { DRM_INFO("CRTC %d regs after:\n", drm_crtc_index(crtc)); vc4_crtc_dump_regs(vc4_crtc); diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index 58d4cb3..bf42a8e 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -350,6 +350,17 @@ # define SCALER_DISPCTRLX_HEIGHT_SHIFT 0 #define SCALER_DISPBKGND0 0x00000044 +# define SCALER_DISPBKGND_AUTOHS BIT(31) +# define SCALER_DISPBKGND_INTERLACE BIT(30) +# define SCALER_DISPBKGND_GAMMA BIT(29) +# define SCALER_DISPBKGND_TESTMODE_MASK VC4_MASK(28, 25) +# define SCALER_DISPBKGND_TESTMODE_SHIFT 25 +/* Enables filling the scaler line with the RGB value in the low 24 + * bits before compositing. Costs cycles, so should be skipped if + * opaque display planes will cover everything. + */ +# define SCALER_DISPBKGND_FILL BIT(24) + #define SCALER_DISPSTAT0 0x00000048 #define SCALER_DISPBASE0 0x0000004c # define SCALER_DISPSTATX_MODE_MASK VC4_MASK(31, 30) @@ -362,6 +373,9 @@ # define SCALER_DISPSTATX_EMPTY BIT(28) #define SCALER_DISPCTRL1 0x00000050 #define SCALER_DISPBKGND1 0x00000054 +#define SCALER_DISPBKGNDX(x) (SCALER_DISPBKGND0 + \ + (x) * (SCALER_DISPBKGND1 - \ + SCALER_DISPBKGND0)) #define SCALER_DISPSTAT1 0x00000058 #define SCALER_DISPSTATX(x) (SCALER_DISPSTAT0 + \ (x) * (SCALER_DISPSTAT1 - \ -- 2.7.0
WARNING: multiple messages have this Message-ID (diff)
From: Eric Anholt <eric@anholt.net> To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 6/6] drm/vc4: Initialize scaler DISPBKGND on modeset. Date: Tue, 16 Feb 2016 13:20:19 -0800 [thread overview] Message-ID: <1455657619-12030-7-git-send-email-eric@anholt.net> (raw) In-Reply-To: <1455657619-12030-1-git-send-email-eric@anholt.net> We weren't updating the interlaced bit, so we'd scan out incorrectly if the firmware had brought up the TV encoder and we were switching to HDMI. Signed-off-by: Eric Anholt <eric@anholt.net> --- drivers/gpu/drm/vc4/vc4_crtc.c | 6 ++++++ drivers/gpu/drm/vc4/vc4_regs.h | 14 ++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 89562904..66499e3 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -188,6 +188,8 @@ static int vc4_get_clock_select(struct drm_crtc *crtc) static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) { + struct drm_device *dev = crtc->dev; + struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct drm_crtc_state *state = crtc->state; struct drm_display_mode *mode = &state->adjusted_mode; @@ -256,6 +258,10 @@ static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) PV_CONTROL_FIFO_CLR | PV_CONTROL_EN); + HVS_WRITE(SCALER_DISPBKGNDX(vc4_crtc->channel), + SCALER_DISPBKGND_AUTOHS | + (interlace ? SCALER_DISPBKGND_INTERLACE : 0)); + if (debug_dump_regs) { DRM_INFO("CRTC %d regs after:\n", drm_crtc_index(crtc)); vc4_crtc_dump_regs(vc4_crtc); diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index 58d4cb3..bf42a8e 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -350,6 +350,17 @@ # define SCALER_DISPCTRLX_HEIGHT_SHIFT 0 #define SCALER_DISPBKGND0 0x00000044 +# define SCALER_DISPBKGND_AUTOHS BIT(31) +# define SCALER_DISPBKGND_INTERLACE BIT(30) +# define SCALER_DISPBKGND_GAMMA BIT(29) +# define SCALER_DISPBKGND_TESTMODE_MASK VC4_MASK(28, 25) +# define SCALER_DISPBKGND_TESTMODE_SHIFT 25 +/* Enables filling the scaler line with the RGB value in the low 24 + * bits before compositing. Costs cycles, so should be skipped if + * opaque display planes will cover everything. + */ +# define SCALER_DISPBKGND_FILL BIT(24) + #define SCALER_DISPSTAT0 0x00000048 #define SCALER_DISPBASE0 0x0000004c # define SCALER_DISPSTATX_MODE_MASK VC4_MASK(31, 30) @@ -362,6 +373,9 @@ # define SCALER_DISPSTATX_EMPTY BIT(28) #define SCALER_DISPCTRL1 0x00000050 #define SCALER_DISPBKGND1 0x00000054 +#define SCALER_DISPBKGNDX(x) (SCALER_DISPBKGND0 + \ + (x) * (SCALER_DISPBKGND1 - \ + SCALER_DISPBKGND0)) #define SCALER_DISPSTAT1 0x00000058 #define SCALER_DISPSTATX(x) (SCALER_DISPSTAT0 + \ (x) * (SCALER_DISPSTAT1 - \ -- 2.7.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2016-02-16 21:21 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-02-16 21:20 drm/vc4: Modesetting fixes Eric Anholt 2016-02-16 21:20 ` Eric Anholt 2016-02-16 21:20 ` [PATCH 1/6] drm/vc4: Fix a framebuffer reference leak on async flip interrupt Eric Anholt 2016-02-16 21:20 ` Eric Anholt 2016-02-16 21:20 ` [PATCH 2/6] drm/vc4: Bring HDMI up from power off if necessary Eric Anholt 2016-02-16 21:20 ` Eric Anholt 2016-02-16 21:20 ` [PATCH 3/6] drm/vc4: Add another reg to HDMI debug dumping Eric Anholt 2016-02-16 21:20 ` Eric Anholt 2016-02-16 21:20 ` [PATCH 4/6] drm/vc4: Fix the name of the VSYNCD_EVEN register Eric Anholt 2016-02-16 21:20 ` Eric Anholt 2016-02-16 21:20 ` [PATCH 5/6] drm/vc4: Fix setting of vertical timings in the CRTC Eric Anholt 2016-02-16 21:20 ` Eric Anholt 2016-02-16 21:20 ` Eric Anholt [this message] 2016-02-16 21:20 ` [PATCH 6/6] drm/vc4: Initialize scaler DISPBKGND on modeset Eric Anholt
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