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Fri, 25 Oct 2019 09:21:13 +0000 (GMT) Subject: Re: [PATCH] clk: samsung: exynos5420: Preserve PLL configuration during suspend/resume To: Marek Szyprowski , linux-clk@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Sylwester Nawrocki , Chanwoo Choi , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Marian Mihailescu From: Sylwester Nawrocki Message-ID: Date: Fri, 25 Oct 2019 11:21:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191025090201.30246-1-m.szyprowski@samsung.com> Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrFKsWRmVeSWpSXmKPExsWy7djPc7pd+zbFGmzo4rbYOGM9q8X1L89Z Lc6f38Bu8bHnHqvFjPP7mCzWHrnLbrF+2k9Wi/anL5kdODx2zrrL7rFpVSebR9+WVYwenzfJ BbBEcdmkpOZklqUW6dslcGW8O7mZraCbtWLd7KUsDYxLWboYOTkkBEwk3kw5wd7FyMUhJLCC UWLjojlQzhdGifubH7FCOJ8ZJZb8ncYO07Lh/k0WiMRyRomuvp1MEM5bRolHy+YxdzFycAgL JErMPu0PYooI5EvMehsCUsIs8IhRYs32VjaQQWwChhK9R/sYQWxeATuJVb/vg8VZBFQlWk7N ZAPpFRWIkDj9NRGiRFDi5MwnYGdzApU/WzyPFcRmFhCXaPqyEsqWl9j+dg4zyC4JgU3sElem L2GEONpFYtaGj1APCEu8Or4FypaR+L9zPhNEQzOjRM/u2+wQzgSg/48vgOq2ljh8/CIryEXM ApoS63fpQ4QdJbY9v8ECEpYQ4JO48VYQ4gg+iUnbpjNDhHklOtqEIKpVJH6vms4EYUtJdD/5 zzKBUWkWktdmIXlnFpJ3ZiHsXcDIsopRPLW0ODc9tdgoL7Vcrzgxt7g0L10vOT93EyMwBZ3+ d/zLDsZdf5IOMQpwMCrx8DpM2hgrxJpYVlyZe4hRgoNZSYR3txpQiDclsbIqtSg/vqg0J7X4 EKM0B4uSOG81w4NoIYH0xJLU7NTUgtQimCwTB6dUA6PoKfl7h7wXGIutOfncQllTecfbnQys gop6Z829uX5H3ii+dPe57oLJjGk5zMf25bRfCgut9D6TLf9uf5zZ2ftFPgxx8SdXen+L69Zz 0//hPCfmxtTHP2/EXVkTalXie+uv5qoJ8l9610u9+F30wNbZ72Xlnn2WC9duy9JrUv++UG3/ nTt/twoqsRRnJBpqMRcVJwIAwK58CT0DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDIsWRmVeSWpSXmKPExsVy+t/xe7qd+zbFGtxdoGuxccZ6VovrX56z Wpw/v4Hd4mPPPVaLGef3MVmsPXKX3WL9tJ+sFu1PXzI7cHjsnHWX3WPTqk42j74tqxg9Pm+S C2CJ0rMpyi8tSVXIyC8usVWKNrQw0jO0tNAzMrHUMzQ2j7UyMlXSt7NJSc3JLEst0rdL0Mt4 d3IzW0E3a8W62UtZGhiXsnQxcnJICJhIbLh/E8wWEljKKHGsRaeLkQMoLiUxv0UJokRY4s+1 LrYuRi6gkteMEpdmv2AGqREWSJSYfdofpEZEIF9ixp1eRpAaZoFHjBLTth9jhGiYyChx6O9X VpAqNgFDid6jfYwgNq+AncSq3/fZQGwWAVWJllMzwWxRgQiJ59tvQNUISpyc+QTsOE6g+meL 54HNYRZQl/gz7xIzhC0u0fRlJVRcXmL72znMExiFZiFpn4WkZRaSlllIWhYwsqxiFEktLc5N zy020itOzC0uzUvXS87P3cQIjLltx35u2cHY9S74EKMAB6MSD6/DpI2xQqyJZcWVuYcYJTiY lUR4d6sBhXhTEiurUovy44tKc1KLDzGaAj03kVlKNDkfmA7ySuINTQ3NLSwNzY3Njc0slMR5 OwQOxggJpCeWpGanphakFsH0MXFwSjUwznFZpbpnk3zsvi+XLiY1r7Xu5Tu/3l1A66exN6/8 2dgFl33ZbkyecPCUWDeDp7350xsmP4LTbu09wpriUbGGr7/29abnk0/OU5SufTe/qe1Gyto4 y4lHzNmVM/jTF/Ox/HzW/5ll+v6PsvvaJ5nd+3NP92/sFJ5Xd33KnFVZGFInOe0XyT4SpMRS nJFoqMVcVJwIAJtZ6y/PAgAA X-CMS-MailID: 20191025092113eucas1p20f985822200e64277b4b41201adacd8a X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20191025090212eucas1p10ef782af07e01470b185e4fb190d3ce6 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191025090212eucas1p10ef782af07e01470b185e4fb190d3ce6 References: <20191025090201.30246-1-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org On 10/25/19 11:02, Marek Szyprowski wrote: > Properly save and restore all top PLL related configuration registers > during suspend/resume cycle. So far driver only handled EPLL and RPLL > clocks, all other were reset to default values after suspend/resume cycle. > This caused for example lower G3D (MALI Panfrost) performance after system > resume, even if performance governor has been selected. > > Reported-by: Reported-by: Marian Mihailescu > Fixes: 773424326b51 ("clk: samsung: exynos5420: add more registers to restore list") > Signed-off-by: Marek Szyprowski Applied, thanks.