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Message-ID: <aJHaHKdg8PasxAGr@trex>
Date: Tue, 5 Aug 2025 12:17:00 +0200
From: Jorge Ramirez <jorge.ramirez@....qualcomm.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>,
quic_dikshita@...cinc.com, quic_vgarodia@...cinc.com,
konradybcio@...nel.org, krzk+dt@...nel.org, mchehab@...nel.org,
conor+dt@...nel.org, andersson@...nel.org, linux-media@...r.kernel.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 3/7] media: venus: Add support for AR50_LITE video core
On 05/08/25 10:07:10, Bryan O'Donoghue wrote:
> On 05/08/2025 07:44, Jorge Ramirez-Ortiz wrote:
> > The AR50_LITE is a simplified variant of the AR50 video core, designed for
> > power and cost-efficient platforms.
> >
> > It supports hardware-accelerated decoding of H.264, HEVC, and VP9 formats,
> > and provides encoding support for H.264 and HEVC.
> >
> > Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
> > ---
> > drivers/media/platform/qcom/venus/core.c | 15 +++++++--
> > drivers/media/platform/qcom/venus/core.h | 5 +++
> > drivers/media/platform/qcom/venus/firmware.c | 10 ++++++
> > drivers/media/platform/qcom/venus/firmware.h | 1 +
> > drivers/media/platform/qcom/venus/helpers.c | 12 +++++--
> > .../media/platform/qcom/venus/hfi_parser.c | 5 +--
> > .../media/platform/qcom/venus/hfi_platform.c | 20 +++++++-----
> > .../media/platform/qcom/venus/hfi_platform.h | 25 ++++++++-------
> > .../platform/qcom/venus/hfi_platform_v4.c | 31 ++++++++++++------
> > .../platform/qcom/venus/hfi_platform_v6.c | 32 +++++++++++++------
> > drivers/media/platform/qcom/venus/hfi_venus.c | 25 +++++++++++----
> > .../media/platform/qcom/venus/hfi_venus_io.h | 4 +++
> > .../media/platform/qcom/venus/pm_helpers.c | 2 +-
> > 13 files changed, 133 insertions(+), 54 deletions(-)
> >
> > diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> > index f45715c9b222..adc38fbc9d79 100644
> > --- a/drivers/media/platform/qcom/venus/core.c
> > +++ b/drivers/media/platform/qcom/venus/core.c
> > @@ -254,14 +254,19 @@ static int venus_enumerate_codecs(struct venus_core *core, u32 type)
> > static void venus_assign_register_offsets(struct venus_core *core)
> > {
> > - if (IS_IRIS2(core) || IS_IRIS2_1(core)) {
> > - core->vbif_base = core->base + VBIF_BASE;
> > + if (IS_IRIS2(core) || IS_IRIS2_1(core) || IS_AR50_LITE(core)) {
> > core->cpu_base = core->base + CPU_BASE_V6;
> > core->cpu_cs_base = core->base + CPU_CS_BASE_V6;
> > core->cpu_ic_base = core->base + CPU_IC_BASE_V6;
> > core->wrapper_base = core->base + WRAPPER_BASE_V6;
> > core->wrapper_tz_base = core->base + WRAPPER_TZ_BASE_V6;
> > - core->aon_base = core->base + AON_BASE_V6;
> > + if (IS_AR50_LITE(core)) {
> > + core->vbif_base = NULL;
> > + core->aon_base = NULL;
> > + } else {
> > + core->vbif_base = core->base + VBIF_BASE;
> > + core->aon_base = core->base + AON_BASE_V6;
> > + }
> > } else {
> > core->vbif_base = core->base + VBIF_BASE;
> > core->cpu_base = core->base + CPU_BASE;
> > @@ -456,6 +461,10 @@ static int venus_probe(struct platform_device *pdev)
> > if (ret)
> > goto err_firmware_deinit;
> > + ret = venus_firmware_cfg(core);
> > + if (ret)
> > + goto err_venus_shutdown;
> > +
> > ret = hfi_core_resume(core, true);
> > if (ret)
> > goto err_venus_shutdown;
> > diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> > index 2d3cf920198f..f8602735d6c2 100644
> > --- a/drivers/media/platform/qcom/venus/core.h
> > +++ b/drivers/media/platform/qcom/venus/core.h
> > @@ -537,6 +537,11 @@ struct venus_inst {
> > #define IS_IRIS2(core) ((core)->res->vpu_version == VPU_VERSION_IRIS2)
> > #define IS_IRIS2_1(core) ((core)->res->vpu_version == VPU_VERSION_IRIS2_1)
> > +static inline bool is_lite(struct venus_core *core)
> > +{
> > + return IS_AR50_LITE(core);
> > +}
> > +
> > #define ctrl_to_inst(ctrl) \
> > container_of((ctrl)->handler, struct venus_inst, ctrl_handler)
> > diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
> > index 503dd270a14a..2e5d85e25d0f 100644
> > --- a/drivers/media/platform/qcom/venus/firmware.c
> > +++ b/drivers/media/platform/qcom/venus/firmware.c
> > @@ -207,6 +207,16 @@ static int venus_shutdown_no_tz(struct venus_core *core)
> > return 0;
> > }
> > +int venus_firmware_cfg(struct venus_core *core)
> > +{
> > + void __iomem *cpu_cs_base = core->cpu_cs_base;
> > +
> > + if (IS_AR50_LITE(core))
> > + writel(CPU_CS_VCICMD_ARP_OFF, cpu_cs_base + CPU_CS_VCICMD);
> > +
> > + return 0;
> > +}
> > +
> > int venus_boot(struct venus_core *core)
> > {
> > struct device *dev = core->dev;
> > diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h
> > index ead39e3797f0..87e1d922b369 100644
> > --- a/drivers/media/platform/qcom/venus/firmware.h
> > +++ b/drivers/media/platform/qcom/venus/firmware.h
> > @@ -10,6 +10,7 @@ struct device;
> > int venus_firmware_init(struct venus_core *core);
> > void venus_firmware_deinit(struct venus_core *core);
> > int venus_firmware_check(struct venus_core *core);
> > +int venus_firmware_cfg(struct venus_core *core);
> > int venus_boot(struct venus_core *core);
> > int venus_shutdown(struct venus_core *core);
> > int venus_set_hw_state(struct venus_core *core, bool suspend);
> > diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> > index 8295542e1a7c..3a761b5415c5 100644
> > --- a/drivers/media/platform/qcom/venus/helpers.c
> > +++ b/drivers/media/platform/qcom/venus/helpers.c
> > @@ -1715,11 +1715,17 @@ int venus_helper_session_init(struct venus_inst *inst)
> > if (ret)
> > return ret;
> > - inst->clk_data.vpp_freq = hfi_platform_get_codec_vpp_freq(version, codec,
> > + inst->clk_data.vpp_freq = hfi_platform_get_codec_vpp_freq(version,
> > + is_lite(inst->core),
> > + codec,
> > session_type);
> > - inst->clk_data.vsp_freq = hfi_platform_get_codec_vsp_freq(version, codec,
> > + inst->clk_data.vsp_freq = hfi_platform_get_codec_vsp_freq(version,
> > + is_lite(inst->core),
> > + codec,
> > session_type);
> > - inst->clk_data.low_power_freq = hfi_platform_get_codec_lp_freq(version, codec,
> > + inst->clk_data.low_power_freq = hfi_platform_get_codec_lp_freq(version,
> > + is_lite(inst->core),
> > + codec,
> > session_type);
> > return 0;
> > diff --git a/drivers/media/platform/qcom/venus/hfi_parser.c b/drivers/media/platform/qcom/venus/hfi_parser.c
> > index 1b3db2caa99f..55cee1c786a0 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_parser.c
> > +++ b/drivers/media/platform/qcom/venus/hfi_parser.c
> > @@ -277,12 +277,13 @@ static int hfi_platform_parser(struct venus_core *core, struct venus_inst *inst)
> > if (inst)
> > return 0;
> > - ret = hfi_platform_get_codecs(core, &enc_codecs, &dec_codecs, &count);
> > + ret = hfi_platform_get_codecs(core, &enc_codecs, &dec_codecs, &count,
> > + is_lite(core));
>
> As I say below, if you pass the core pointer you don't have to macro all of
> this stuff.
true, IMO the code was easier to read this way but dont mind abstracting it.
I will change, not a problem.
>
> > if (ret)
> > return ret;
> > if (plat->capabilities)
> > - caps = plat->capabilities(&entries);
> > + caps = plat->capabilities(&entries, is_lite(core));
> > if (!caps || !entries || !count)
> > return -EINVAL;
> > diff --git a/drivers/media/platform/qcom/venus/hfi_platform.c b/drivers/media/platform/qcom/venus/hfi_platform.c
> > index 643e5aa138f5..c6c248561793 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_platform.c
> > +++ b/drivers/media/platform/qcom/venus/hfi_platform.c
> > @@ -21,7 +21,8 @@ const struct hfi_platform *hfi_platform_get(enum hfi_version version)
> > }
> > unsigned long
> > -hfi_platform_get_codec_vpp_freq(enum hfi_version version, u32 codec, u32 session_type)
> > +hfi_platform_get_codec_vpp_freq(enum hfi_version version, bool lite, u32 codec,
> > + u32 session_type)
> > {
> > const struct hfi_platform *plat;
> > unsigned long freq = 0;
> > @@ -31,13 +32,14 @@ hfi_platform_get_codec_vpp_freq(enum hfi_version version, u32 codec, u32 session
> > return 0;
> > if (plat->codec_vpp_freq)
> > - freq = plat->codec_vpp_freq(session_type, codec);
> > + freq = plat->codec_vpp_freq(session_type, codec, lite);
> > return freq;
> > }
> > unsigned long
> > -hfi_platform_get_codec_vsp_freq(enum hfi_version version, u32 codec, u32 session_type)
> > +hfi_platform_get_codec_vsp_freq(enum hfi_version version, bool lite, u32 codec,
> > + u32 session_type)
> > {
> > const struct hfi_platform *plat;
> > unsigned long freq = 0;
> > @@ -47,13 +49,14 @@ hfi_platform_get_codec_vsp_freq(enum hfi_version version, u32 codec, u32 session
> > return 0;
> > if (plat->codec_vpp_freq)
> > - freq = plat->codec_vsp_freq(session_type, codec);
> > + freq = plat->codec_vsp_freq(session_type, codec, lite);
> > return freq;
> > }
> > unsigned long
> > -hfi_platform_get_codec_lp_freq(enum hfi_version version, u32 codec, u32 session_type)
> > +hfi_platform_get_codec_lp_freq(enum hfi_version version, bool lite, u32 codec,
> > + u32 session_type)
> > {
> > const struct hfi_platform *plat;
> > unsigned long freq = 0;
> > @@ -63,13 +66,14 @@ hfi_platform_get_codec_lp_freq(enum hfi_version version, u32 codec, u32 session_
> > return 0;
> > if (plat->codec_lp_freq)
> > - freq = plat->codec_lp_freq(session_type, codec);
> > + freq = plat->codec_lp_freq(session_type, codec, lite);
> > return freq;
> > }
> > int
> > -hfi_platform_get_codecs(struct venus_core *core, u32 *enc_codecs, u32 *dec_codecs, u32 *count)
> > +hfi_platform_get_codecs(struct venus_core *core, u32 *enc_codecs, u32 *dec_codecs, u32 *count,
> > + bool lite)
> > {
> > const struct hfi_platform *plat;
> > @@ -78,7 +82,7 @@ hfi_platform_get_codecs(struct venus_core *core, u32 *enc_codecs, u32 *dec_codec
> > return -EINVAL;
> > if (plat->codecs)
> > - plat->codecs(enc_codecs, dec_codecs, count);
> > + plat->codecs(enc_codecs, dec_codecs, count, lite);
> > if (IS_IRIS2_1(core)) {
> > *enc_codecs &= ~HFI_VIDEO_CODEC_VP8;
> > diff --git a/drivers/media/platform/qcom/venus/hfi_platform.h b/drivers/media/platform/qcom/venus/hfi_platform.h
> > index ec89a90a8129..a9f1ead18084 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_platform.h
> > +++ b/drivers/media/platform/qcom/venus/hfi_platform.h
> > @@ -47,11 +47,12 @@ struct hfi_platform_codec_freq_data {
> > };
> > struct hfi_platform {
> > - unsigned long (*codec_vpp_freq)(u32 session_type, u32 codec);
> > - unsigned long (*codec_vsp_freq)(u32 session_type, u32 codec);
> > - unsigned long (*codec_lp_freq)(u32 session_type, u32 codec);
> > - void (*codecs)(u32 *enc_codecs, u32 *dec_codecs, u32 *count);
> > - const struct hfi_plat_caps *(*capabilities)(unsigned int *entries);
> > + unsigned long (*codec_vpp_freq)(u32 session_type, u32 codec, bool lite);
> > + unsigned long (*codec_vsp_freq)(u32 session_type, u32 codec, bool lite);
> > + unsigned long (*codec_lp_freq)(u32 session_type, u32 codec, bool lite);
> > + void (*codecs)(u32 *enc_codecs, u32 *dec_codecs, u32 *count, bool lite);
> > + const struct hfi_plat_caps *(*capabilities)(unsigned int *entries,
> > + bool lite);
>
> I think you should pass a *core pointer instead of a bool, that allows for
> more flexibility in the future.
I did consider it but for me it kind of broke the idea of encapsulation
exposing the function to everything under the venus' innenwelt
if encapsulation and meaning is not an issue I'll pass core then, I do
agree it will make future extension way simpler.
>
> > int (*bufreq)(struct hfi_plat_buffers_params *params, u32 session_type,
> > u32 buftype, struct hfi_buffer_requirements *bufreq);
> > };
> > @@ -60,12 +61,12 @@ extern const struct hfi_platform hfi_plat_v4;
> > extern const struct hfi_platform hfi_plat_v6;
> > const struct hfi_platform *hfi_platform_get(enum hfi_version version);
> > -unsigned long hfi_platform_get_codec_vpp_freq(enum hfi_version version, u32 codec,
> > - u32 session_type);
> > -unsigned long hfi_platform_get_codec_vsp_freq(enum hfi_version version, u32 codec,
> > - u32 session_type);
> > -unsigned long hfi_platform_get_codec_lp_freq(enum hfi_version version, u32 codec,
> > - u32 session_type);
> > +unsigned long hfi_platform_get_codec_vpp_freq(enum hfi_version version, bool lite,
> > + u32 codec, u32 session_type);
> > +unsigned long hfi_platform_get_codec_vsp_freq(enum hfi_version version, bool lite,
> > + u32 codec, u32 session_type);
> > +unsigned long hfi_platform_get_codec_lp_freq(enum hfi_version version, bool lite,
> > + u32 codec, u32 session_type);
> > int hfi_platform_get_codecs(struct venus_core *core, u32 *enc_codecs, u32 *dec_codecs,
> > - u32 *count);
> > + u32 *count, bool lite);
> > #endif
> > diff --git a/drivers/media/platform/qcom/venus/hfi_platform_v4.c b/drivers/media/platform/qcom/venus/hfi_platform_v4.c
> > index e3f0a90a567b..4ae7ed476c48 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_platform_v4.c
> > +++ b/drivers/media/platform/qcom/venus/hfi_platform_v4.c
> > @@ -245,14 +245,19 @@ static const struct hfi_plat_caps caps[] = {
> > .num_fmts = 4,
> > } };
> > -static const struct hfi_plat_caps *get_capabilities(unsigned int *entries)
> > +static const struct hfi_plat_caps *get_capabilities(unsigned int *entries,
> > + bool lite)
> > {
> > + WARN_ON(lite);
> > +
> > *entries = ARRAY_SIZE(caps);
> > return caps;
> > }
> > -static void get_codecs(u32 *enc_codecs, u32 *dec_codecs, u32 *count)
> > +static void get_codecs(u32 *enc_codecs, u32 *dec_codecs, u32 *count, bool lite)
> > {
> > + WARN_ON(lite);
> > +
>
> Why are these warnings here, is it acceptable for these to run on lite or
> not, if not return out ?
>
> WARN seems a bit odd to me here.
sure, but not at this point in time - 'lite' only matters when there is a
platform that supports it (ie, after the next commit when we enable the
AR50_LITE support)
I think I am going to remove these warnings anyway...seem to be
confusing everyone.
>
> > *enc_codecs = HFI_VIDEO_CODEC_H264 | HFI_VIDEO_CODEC_HEVC |
> > HFI_VIDEO_CODEC_VP8;
> > *dec_codecs = HFI_VIDEO_CODEC_H264 | HFI_VIDEO_CODEC_HEVC |
> > @@ -273,12 +278,14 @@ static const struct hfi_platform_codec_freq_data codec_freq_data[] = {
> > };
> > static const struct hfi_platform_codec_freq_data *
> > -get_codec_freq_data(u32 session_type, u32 pixfmt)
> > +get_codec_freq_data(u32 session_type, u32 pixfmt, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data = codec_freq_data;
> > unsigned int i, data_size = ARRAY_SIZE(codec_freq_data);
> > const struct hfi_platform_codec_freq_data *found = NULL;
> > + WARN_ON(lite);
> > +
> > for (i = 0; i < data_size; i++) {
> > if (data[i].pixfmt == pixfmt && data[i].session_type == session_type) {
> > found = &data[i];
> > @@ -289,33 +296,39 @@ get_codec_freq_data(u32 session_type, u32 pixfmt)
> > return found;
> > }
> > -static unsigned long codec_vpp_freq(u32 session_type, u32 codec)
> > +static unsigned long codec_vpp_freq(u32 session_type, u32 codec, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data;
> > - data = get_codec_freq_data(session_type, codec);
> > + WARN_ON(lite);
> > +
> > + data = get_codec_freq_data(session_type, codec, lite);
> > if (data)
> > return data->vpp_freq;
> > return 0;
> > }
> > -static unsigned long codec_vsp_freq(u32 session_type, u32 codec)
> > +static unsigned long codec_vsp_freq(u32 session_type, u32 codec, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data;
> > - data = get_codec_freq_data(session_type, codec);
> > + WARN_ON(lite);
> > +
> > + data = get_codec_freq_data(session_type, codec, lite);
> > if (data)
> > return data->vsp_freq;
> > return 0;
> > }
> > -static unsigned long codec_lp_freq(u32 session_type, u32 codec)
> > +static unsigned long codec_lp_freq(u32 session_type, u32 codec, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data;
> > - data = get_codec_freq_data(session_type, codec);
> > + WARN_ON(lite);
> > +
> > + data = get_codec_freq_data(session_type, codec, lite);
> > if (data)
> > return data->low_power_freq;
> > diff --git a/drivers/media/platform/qcom/venus/hfi_platform_v6.c b/drivers/media/platform/qcom/venus/hfi_platform_v6.c
> > index 4e8af645f8b9..ad08d26cd7ba 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_platform_v6.c
> > +++ b/drivers/media/platform/qcom/venus/hfi_platform_v6.c
> > @@ -245,14 +245,20 @@ static const struct hfi_plat_caps caps[] = {
> > .num_fmts = 4,
> > } };
> > -static const struct hfi_plat_caps *get_capabilities(unsigned int *entries)
> > +static const struct hfi_plat_caps *get_capabilities(unsigned int *entries,
> > + bool lite)
> > {
> > + WARN_ON(lite);
> > +
> > *entries = ARRAY_SIZE(caps);
> > return caps;
> > }
> > -static void get_codecs(u32 *enc_codecs, u32 *dec_codecs, u32 *count)
> > +static void get_codecs(u32 *enc_codecs, u32 *dec_codecs, u32 *count,
> > + bool lite)
> > {
> > + WARN_ON(lite);
> > +
> > *enc_codecs = HFI_VIDEO_CODEC_H264 | HFI_VIDEO_CODEC_HEVC |
> > HFI_VIDEO_CODEC_VP8;
> > *dec_codecs = HFI_VIDEO_CODEC_H264 | HFI_VIDEO_CODEC_HEVC |
> > @@ -273,12 +279,14 @@ static const struct hfi_platform_codec_freq_data codec_freq_data[] = {
> > };
> > static const struct hfi_platform_codec_freq_data *
> > -get_codec_freq_data(u32 session_type, u32 pixfmt)
> > +get_codec_freq_data(u32 session_type, u32 pixfmt, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data = codec_freq_data;
> > unsigned int i, data_size = ARRAY_SIZE(codec_freq_data);
> > const struct hfi_platform_codec_freq_data *found = NULL;
> > + WARN_ON(lite);
> > +
> > for (i = 0; i < data_size; i++) {
> > if (data[i].pixfmt == pixfmt && data[i].session_type == session_type) {
> > found = &data[i];
> > @@ -289,33 +297,39 @@ get_codec_freq_data(u32 session_type, u32 pixfmt)
> > return found;
> > }
> > -static unsigned long codec_vpp_freq(u32 session_type, u32 codec)
> > +static unsigned long codec_vpp_freq(u32 session_type, u32 codec, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data;
> > - data = get_codec_freq_data(session_type, codec);
> > + WARN_ON(lite);
> > +
> > + data = get_codec_freq_data(session_type, codec, lite);
> > if (data)
> > return data->vpp_freq;
> > return 0;
> > }
> > -static unsigned long codec_vsp_freq(u32 session_type, u32 codec)
> > +static unsigned long codec_vsp_freq(u32 session_type, u32 codec, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data;
> > - data = get_codec_freq_data(session_type, codec);
> > + WARN_ON(lite);
> > +
> > + data = get_codec_freq_data(session_type, codec, lite);
> > if (data)
> > return data->vsp_freq;
> > return 0;
> > }
> > -static unsigned long codec_lp_freq(u32 session_type, u32 codec)
> > +static unsigned long codec_lp_freq(u32 session_type, u32 codec, bool lite)
> > {
> > const struct hfi_platform_codec_freq_data *data;
> > - data = get_codec_freq_data(session_type, codec);
> > + WARN_ON(lite);
> > +
> > + data = get_codec_freq_data(session_type, codec, lite);
> > if (data)
> > return data->low_power_freq;
> > diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
> > index cec7f5964d3d..d3da35f67fd5 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_venus.c
> > +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
> > @@ -380,7 +380,7 @@ static void venus_soft_int(struct venus_hfi_device *hdev)
> > void __iomem *cpu_ic_base = hdev->core->cpu_ic_base;
> > u32 clear_bit;
> > - if (IS_V6(hdev->core))
> > + if (IS_V6(hdev->core) || (IS_V4(hdev->core) && is_lite(hdev->core)))
> > clear_bit = BIT(CPU_IC_SOFTINT_H2A_SHIFT_V6);
> > else
> > clear_bit = BIT(CPU_IC_SOFTINT_H2A_SHIFT);
> > @@ -501,9 +501,11 @@ static int venus_boot_core(struct venus_hfi_device *hdev)
> > if (count >= max_tries)
> > ret = -ETIMEDOUT;
> > - if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core)) {
> > + if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core) || IS_AR50_LITE(hdev->core)) {
> > writel(0x1, cpu_cs_base + CPU_CS_H2XSOFTINTEN_V6);
> > - writel(0x0, cpu_cs_base + CPU_CS_X2RPMH_V6);
> > +
> > + if (!IS_AR50_LITE(hdev->core))
> > + writel(0x0, cpu_cs_base + CPU_CS_X2RPMH_V6);
> > }
> > return ret;
> > @@ -569,6 +571,9 @@ static int venus_halt_axi(struct venus_hfi_device *hdev)
> > u32 mask_val;
> > int ret;
> > + if (IS_AR50_LITE(hdev->core))
> > + return 0;
> > +
> > if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core)) {
> > writel(0x3, cpu_cs_base + CPU_CS_X2RPMH_V6);
> > @@ -1138,7 +1143,13 @@ static irqreturn_t venus_isr(struct venus_core *core)
> > wrapper_base = hdev->core->wrapper_base;
> > status = readl(wrapper_base + WRAPPER_INTR_STATUS);
> > - if (IS_IRIS2(core) || IS_IRIS2_1(core)) {
> > +
> > + if (IS_AR50_LITE(core)) {
> > + if (status & WRAPPER_INTR_STATUS_A2H_MASK ||
> > + status & WRAPPER_INTR_STATUS_A2HWD_MASK_V4_LITE ||
> > + status & CPU_CS_SCIACMDARG0_INIT_IDLE_MSG_MASK)
> > + hdev->irq_status = status;
> > + } else if (IS_IRIS2(core) || IS_IRIS2_1(core)) {
> > if (status & WRAPPER_INTR_STATUS_A2H_MASK ||
> > status & WRAPPER_INTR_STATUS_A2HWD_MASK_V6 ||
> > status & CPU_CS_SCIACMDARG0_INIT_IDLE_MSG_MASK)
> > @@ -1150,7 +1161,7 @@ static irqreturn_t venus_isr(struct venus_core *core)
> > hdev->irq_status = status;
> > }
> > writel(1, cpu_cs_base + CPU_CS_A2HSOFTINTCLR);
> > - if (!(IS_IRIS2(core) || IS_IRIS2_1(core)))
> > + if (!(IS_IRIS2(core) || IS_IRIS2_1(core) || IS_AR50_LITE(core)))
> > writel(status, wrapper_base + WRAPPER_INTR_CLEAR);
> > return IRQ_WAKE_THREAD;
> > @@ -1535,7 +1546,7 @@ static bool venus_cpu_and_video_core_idle(struct venus_hfi_device *hdev)
> > void __iomem *cpu_cs_base = hdev->core->cpu_cs_base;
> > u32 ctrl_status, cpu_status;
> > - if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core))
> > + if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core) || IS_AR50_LITE(hdev->core))
> > cpu_status = readl(wrapper_tz_base + WRAPPER_TZ_CPU_STATUS_V6);
> > else
> > cpu_status = readl(wrapper_base + WRAPPER_CPU_STATUS);
> > @@ -1555,7 +1566,7 @@ static bool venus_cpu_idle_and_pc_ready(struct venus_hfi_device *hdev)
> > void __iomem *cpu_cs_base = hdev->core->cpu_cs_base;
> > u32 ctrl_status, cpu_status;
> > - if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core))
> > + if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core) || IS_AR50_LITE(hdev->core))
> > cpu_status = readl(wrapper_tz_base + WRAPPER_TZ_CPU_STATUS_V6);
> > else
> > cpu_status = readl(wrapper_base + WRAPPER_CPU_STATUS);
> > diff --git a/drivers/media/platform/qcom/venus/hfi_venus_io.h b/drivers/media/platform/qcom/venus/hfi_venus_io.h
> > index 9735a246ce36..f2c3064c44ae 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_venus_io.h
> > +++ b/drivers/media/platform/qcom/venus/hfi_venus_io.h
> > @@ -51,6 +51,9 @@
> > /* Venus cpu */
> > #define CPU_CS_SCIACMDARG3 0x58
> > +#define CPU_CS_VCICMD 0x20
> > +#define CPU_CS_VCICMD_ARP_OFF BIT(0)
> > +
> > #define SFR_ADDR 0x5c
> > #define MMAP_ADDR 0x60
> > #define UC_REGION_ADDR 0x64
> > @@ -100,6 +103,7 @@
> > #define WRAPPER_INTR_MASK_A2HCPU_MASK 0x4
> > #define WRAPPER_INTR_MASK_A2HCPU_SHIFT 0x2
> > +#define WRAPPER_INTR_STATUS_A2HWD_MASK_V4_LITE 0x10
> > #define WRAPPER_INTR_STATUS_A2HWD_MASK_V6 0x8
> > #define WRAPPER_INTR_MASK_A2HWD_BASK_V6 0x8
> > diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> > index 8dd5a9b0d060..e09b0d9ae610 100644
> > --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> > +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> > @@ -51,7 +51,7 @@ static int core_clks_enable(struct venus_core *core)
> > dev_pm_opp_put(opp);
> > for (i = 0; i < res->clks_num; i++) {
> > - if (IS_V6(core)) {
> > + if (IS_V6(core) || (IS_V4(core) && is_lite(core))) {
> > ret = clk_set_rate(core->clks[i], freq);
> > if (ret)
> > goto err;
>
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