kernel/linux.git/drivers/soc/mediatek, branch v6.13.6

soc: mediatek: mtk-devapc: Fix leaking IO map on driver remove

2025-02-17T10:36:46+00:00

commit c9c0036c1990da8d2dd33563e327e05a775fcf10 upstream. Driver removal should fully clean up - unmap the memory. Fixes: 0890beb22618 ("soc: mediatek: add mt6779 devapc driver") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20250104142012.115974-2-krzysztof.kozlowski@linaro.org Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Greg Kroah-Hartman

soc: mediatek: mtk-devapc: Fix leaking IO map on error paths

2025-02-17T10:36:46+00:00

commit c0eb059a4575ed57f265d9883a5203799c19982c upstream. Error paths of mtk_devapc_probe() should unmap the memory. Reported by Smatch: drivers/soc/mediatek/mtk-devapc.c:292 mtk_devapc_probe() warn: 'ctx->infra_base' from of_iomap() not released on lines: 277,281,286. Fixes: 0890beb22618 ("soc: mediatek: add mt6779 devapc driver") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20250104142012.115974-1-krzysztof.kozlowski@linaro.org Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Greg Kroah-Hartman

Merge tag 'mtk-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into arm/drivers

2024-11-04T21:48:19+00:00

MediaTek soc driver updates for v6.13 This adds support for the MT8188 SoC in the MediaTek Regulator Coupler driver, allowing stable GPU DVFS on this chip; Moreover, this adds a new MediaTek DVFS Resource Collector (DVFSRC) driver, allowing to enable other drivers (interconnect, regulator) which can now communicate with the DVFSRC hardware. Last but not least, this includes some cleanups for the CMDQ Helper and MediaTek SVS drivers. * tag 'mtk-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux: soc: mediatek: mtk-svs: Call of_node_put(np) only once in svs_get_subsys_device() soc: mediatek: mediatek-regulator-coupler: Support mt8188 soc: mediatek: mtk-cmdq: Move cmdq_instruction init to declaration soc: mediatek: mtk-cmdq: Move mask build and append to function soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195 Link: https://lore.kernel.org/r/20241104112625.161365-2-angelogioacchino.delregno@collabora.com Signed-off-by: Arnd Bergmann

soc: Switch back to struct platform_driver::remove()

2024-11-01T16:08:57+00:00

After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all platform drivers below drivers/soc to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. On the way do a few whitespace changes to make indention consistent. Signed-off-by: Uwe Kleine-König Acked-by: Heiko Stuebner Acked-by: Herve Codina # for fsl/qe/{qmc,tsa}.c Acked-by: Bjorn Andersson # qcom parts Acked-by: Gabriel Somlo Acked-by: Andrew Jeffery # aspeed Link: https://lore.kernel.org/r/20241029074859.509587-2-u.kleine-koenig@baylibre.com Signed-off-by: Arnd Bergmann

soc: mediatek: mtk-svs: Call of_node_put(np) only once in svs_get_subsys_device()

2024-10-21T14:00:52+00:00

An of_node_put(np) call was immediately used after a pointer check for a of_find_device_by_node() call in this function implementation. Thus call such a function only once instead directly before the check. This issue was transformed by using the Coccinelle software. Signed-off-by: Markus Elfring Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/884f0a5d-e6d3-47dc-8a9e-201bb86b271f@web.de Signed-off-by: AngeloGioacchino Del Regno

soc: mediatek: mediatek-regulator-coupler: Support mt8188

2024-10-21T14:00:51+00:00

The Mali GPU in mt8188 also requires coupled power supplies, that is, the "vsram" voltage should follow the "vgpu" voltage. Therefore add the compatible to enable this coupling behavior. Signed-off-by: Pablo Sun Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20241002022138.29241-6-pablo.sun@mediatek.com Signed-off-by: AngeloGioacchino Del Regno

soc: mediatek: mtk-cmdq: Move cmdq_instruction init to declaration

2024-10-21T14:00:51+00:00

Move, where possible, the initialization of struct cmdq_instruction variables to their declaration to compress the code. While at it, also change an instance of open-coded mask to use the GENMASK() macro instead, and instances of `ret = func(); return ret;` to the equivalent (but shorter) `return func()`. Signed-off-by: AngeloGioacchino Del Regno

soc: mediatek: mtk-cmdq: Move mask build and append to function

2024-10-21T14:00:51+00:00

Move the CMDQ_CODE_MASK packet build and append logic to a new cmdq_pkt_mask() function; this reduces code duplication by 4x. Reviewed-by: Matthias Brugger Signed-off-by: AngeloGioacchino Del Regno

soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver

2024-10-21T14:00:51+00:00

The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a Hardware module used to collect all the requests from both software and the various remote processors embedded into the SoC and decide about a minimum operating voltage and a minimum DRAM frequency to fulfill those requests in an effort to provide the best achievable performance per watt. This hardware IP is capable of transparently performing direct register R/W on all of the DVFSRC-controlled regulators and SoC bandwidth knobs. This driver includes support for MT8183, MT8192 and MT8195. Co-Developed-by: Dawei Chien [Angelo: Partial refactoring and cleanups] Reviewed-by: Georgi Djakov Link: https://lore.kernel.org/r/20240610085735.147134-5-angelogioacchino.delregno@collabora.com Signed-off-by: AngeloGioacchino Del Regno

soc: mediatek: mtk-mutex: Reduce type size for mtk_mutex_data members

2024-07-30T08:58:46+00:00

All of mutex_mod and mutex_table_mod contain an array of bit numbers, which can go from 0 to 63, it is hence not needed to use an unsigned 32-bits integer to store that: change them to unsigned 8-bits instead. As for the mutex_sof table since this directly contains the values to write to the DISP_MUTEXn_CTL register, which has only bits [13:0] (so this register is effectively 14 bits long), change that to use unsigned 16-bits. The type of mutex_{mod,sof}_reg was also changed to 16 bits, as the maximum value that those will ever have is 0x800, because it calculates as 0x30 + (0x20 * n) where n's maximum value is 63. This reduces module size and brings no functional changes. Before: text data bss dec hex filename 9929 512 0 10441 28c9 mtk-mutex.o After: text data bss dec hex filename 7425 512 0 7937 1f01 mtk-mutex.o Link: https://lore.kernel.org/r/20240729122538.989855-1-angelogioacchino.delregno@collabora.com Signed-off-by: AngeloGioacchino Del Regno